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  Fungi
      Ascomycota
        Pezizomycotina
            Lecanoromycetes
              Lecanoromycetidae
                    Rhizocarpales
                            Rhizocarpaceae
                                     Catillariopsis
                                             Catillariopsis massalongi
                                             Catillariopsis massalongii
                                             Catillariopsis massalongoi
                                     Catocarpus
                                           [Catocarpon]
                                             Catocarpus anzianus
                                               Catocarpus anzianus var. anzianus
                                               Catocarpus anzianus var. genuinus
                                               Catocarpus anzianus var. intermedius
                                               Catocarpus anzianus var. rugulosus
                                             Catocarpus atratus
                                             Catocarpus atroalbum
                                                   Catocarpus atroalbum f. atroalbum
                                                   Catocarpus atroalbum f. subiculosus
                                               Catocarpus atroalbum var. atroalbum
                                               Catocarpus atroalbum var. rivularis
                                             Catocarpus badioater
                                                   Catocarpus badioater f. atroalbus
                                                   Catocarpus badioater f. tracheia
                                               Catocarpus badioater var. badioater
                                               Catocarpus badioater var. glaucescens
                                               Catocarpus badioater var. incusuni
                                               Catocarpus badioater var. rivularis
                                               Catocarpus badioater var. vulgaris
                                             Catocarpus badioatrum
                                               Catocarpus badioatrum var. atroalbum
                                               Catocarpus badioatrum var. badioatrum
                                               Catocarpus badioatrum var. rivularis
                                             Catocarpus confervoides
                                                   Catocarpus confervoides f. confervoides
                                                   Catocarpus confervoides f. major
                                                   Catocarpus confervoides f. rhododendri
                                               Catocarpus confervoides var. confervoides
                                             Catocarpus cyanescens
                                             Catocarpus dendriticus
                                             Catocarpus depressum
                                             Catocarpus effiguratus
                                               Catocarpus effiguratus var. effiguratus
                                             Catocarpus epispilus
                                             Catocarpus gerlachei
                                             Catocarpus hyperboreus
                                             Catocarpus ignobile
                                             Catocarpus infernulus
                                                   Catocarpus infernulus f. infernulus
                                                   Catocarpus infernulus f. smoereggensis
                                             Catocarpus intercalans
                                             Catocarpus koerberi
                                             Catocarpus melaneimum
                                             Catocarpus norvegicus
                                             Catocarpus parvum
                                             Catocarpus polycarpon
                                                   Catocarpus polycarpon f. fallax
                                                   Catocarpus polycarpon f. infuscatum
                                                   Catocarpus polycarpon f. polycarpon
                                             Catocarpus polycarpus
                                                   Catocarpus polycarpus f. dendriticum
                                                   Catocarpus polycarpus f. polycarpus
                                                   Catocarpus polycarpus f. polyseptus
                                                   Catocarpus polycarpus f. rhododendri
                                                   Catocarpus polycarpus f. triseptatus
                                             Catocarpus pusillum
                                             Catocarpus rittokensis
                                             Catocarpus rivularis
                                             Catocarpus seductus
                                                   Catocarpus seductus f. albocoerulescens
                                                   Catocarpus seductus f. seductus
                                                   Catocarpus seductus f. turgidus
                                               Catocarpus seductus var. seductus
                                             Catocarpus sphaericus
                                             Catocarpus superficiale
                                     Catolechia
                                           [Dimaura]
                                           [Xanthopsis]
                                             Catolechia africana
                                             Catolechia canescens
                                             Catolechia dubenii
                                             Catolechia duebenii
                                             Catolechia fusca
                                             Catolechia galbula
                                             Catolechia maritima
                                               Catolechia maritima var. dispersa
                                               Catolechia maritima var. maritima
                                             Catolechia moriopsis
                                             Catolechia panaeola
                                             Catolechia radiata
                                             Catolechia recobarina
                                             Catolechia tabacina
                                             Catolechia wahlenbergii
                                                   [Aipospila wahlenbergii]
                                                   [Buellia pulchella]
                                                   [Buellia wahlenbergii]
                                                   [Catolechia pulchella]
                                                   [Dimaura wahlenbergii]
                                                   [Dimelaena caesia f. pulchella]
                                                   [Lecidea pulchella]
                                                   [Lecidea wahlenbergii]
                                                   [Lichen pulchellus]
                                                   [Parmelia caesia var. pulchella]
                                                   [Patellaria wahlenbergii]
                                                   [Placodium wahlenbergii]
                                                   [Xanthopsis wahlenbergii]
                                     Cormothecium
                                             Cormothecium dubenii
                                             Cormothecium duebenii
                                     Dimaura
                                     Diphaeis
                                             Diphaeis badioatra
                                             Diphaeis badiotra
                                     Diphanis
                                             Diphanis polycarpa
                                     Encephalographomyces
                                             Encephalographomyces cerebrinae
                                     Epilichen
                                             Epilichen glauconigellus
                                             Epilichen scabrosus
                                                   [Buellia scabrosa]
                                                   [Catillaria scabrosa]
                                                   [Ephebe scabrosus]
                                                   [Karschia scabrosa]
                                                   [Lecidea citrinella var. scabrosa]
                                                   [Lecidea flavovirescens var. scabrosa]
                                                   [Lichen peltatus var. scabrosa]
                                                   [Lichen scabrosus]
                                                   [Skolekites scabrosus]
                                             Epilichen stellatus
                                     Lepidoma
                                             Lepidoma caelatum
                                             Lepidoma coeruleonigricans
                                               Lepidoma coeruleonigricans var. coeruleonigricans
                                               Lepidoma coeruleonigricans var. teretocarpum
                                             Lepidoma glebulosum
                                             Lepidoma vesiculare
                                     Phalodictyum
                                     Poeltinula
                                           [Encephalographomyces]
                                           [Melanospora]
                                             Poeltinula cacuminum
                                             Poeltinula cerebrina
                                                   [Buellia cerebrina]
                                                   [Encephalographa cerebrina f. cerebrina]
                                                   [Encephalographa cerebrina var. cerebrina]
                                                   [Encephalographa cerebrina]
                                                   [Lecidea cerebrina]
                                                   [Lithographa cerebrina]
                                                   [Melanospora cerebrina]
                                                   [Opegrapha cerebrina]
                                                   [Patellaria cerebrina]
                                               Poeltinula cerebrina subsp. cerebrina
                                               Poeltinula cerebrina subsp. parvocalcicola
                                     Rehmia
                                             Rehmia caeruleo-alba
                                             Rehmia coeruleoalba
                                     Rhizocarpon
                                           [Catillariopsis]
                                           [Catocarpus]
                                           [Cormothecium]
                                           [Diphaeis]
                                           [Diphanis]
                                           [Lepidoma]
                                           [Phalodictyum]
                                           [Rehmia]
                                           [Rhizocarponomyces]
                                           [Siegertia]
                                             Rhizocarpon adarense
                                             Rhizocarpon advenulum
                                                   [Buellia advenula]
                                                   [Karschia advenula]
                                                   [Lecidea advenula]
                                             Rhizocarpon affine
                                             Rhizocarpon alaxensis
                                             Rhizocarpon albidum
                                             Rhizocarpon albineum
                                             Rhizocarpon albopunctatum
                                             Rhizocarpon alpicola
                                                   [Buellia alpicola f. alpicola]
                                                   [Buellia alpicola var. alpicola]
                                                   [Buellia alpicola]
                                                   [Buellia deludens]
                                                   [Buellia geographica var. gerontica]
                                                   [Catocarpus alpicola]
                                                   [Catocarpus chionophilus var. chionophilus]
                                                   [Catocarpus chionophilus]
                                                   [Catocarpus oreites]
                                                   [Lecidea alpicola f. alpicola]
                                                   [Lecidea alpicola]
                                                   [Lecidea atrovirens var. alpicola]
                                                   [Lecidea atrovirens var. gerontica]
                                                   [Lecidea chionophila]
                                                   [Lecidea deludens]
                                                   [Lecidea geographica var. alpicola]
                                                   [Lecidea geographica var. gerontica]
                                                   [Lecidea oreites]
                                                   [Rhizocarpon chionophilum]
                                                   [Rhizocarpon deludens]
                                                   [Rhizocarpon geographicum f. geronticum]
                                                   [Rhizocarpon geographicum var. alpicola]
                                                   [Rhizocarpon geographicum var. geronticum]
                                                   [Rhizocarpon oreites]
                                                   Rhizocarpon alpicola f. alpicola
                                                   Rhizocarpon alpicola f. fellmanii
                                                   Rhizocarpon alpicola f. gerontoides
                                                   Rhizocarpon alpicola f. ludibundum
                                                   Rhizocarpon alpicola f. microsporum
                                                   Rhizocarpon alpicola f. primarium
                                               Rhizocarpon alpicola var. alpicola
                                               Rhizocarpon alpicola var. decoloratum
                                               Rhizocarpon alpicola var. pallidocinereum
                                               Rhizocarpon alpicola var. simulans
                                             Rhizocarpon alpicolum
                                             Rhizocarpon amphibium
                                                   [Abacina amphibia]
                                                   [Buellia amphibia]
                                                   [Lecidea amphibia]
                                                   [Patellaria atroalba var. amphibia]
                                                   [Rhizocarpon obscuratum f. amphibium]
                                                   [Rhizocarpon petraeum var. amphibium]
                                                   Rhizocarpon amphibium f. amphibium
                                                   Rhizocarpon amphibium f. subathallinum
                                             Rhizocarpon amphiboliticum
                                             Rhizocarpon anaperum
                                             Rhizocarpon andarense
                                             Rhizocarpon anseris
                                             Rhizocarpon antarcticum
                                             Rhizocarpon anzianum
                                             Rhizocarpon apopetraeum
                                             Rhizocarpon arcticum
                                             Rhizocarpon arctogenum
                                             Rhizocarpon argyreum
                                             Rhizocarpon arnoldii
                                             Rhizocarpon asiaticum
                                             Rhizocarpon aspiciliae
                                             Rhizocarpon asteriscus
                                             Rhizocarpon athalloides
                                             Rhizocarpon atroalbulum
                                             Rhizocarpon atroalbum
                                                   Rhizocarpon atroalbum f. atroalbum
                                                   Rhizocarpon atroalbum f. cinereum
                                                   Rhizocarpon atroalbum f. fuscum
                                                   Rhizocarpon atroalbum f. protothallinum
                                               Rhizocarpon atroalbum var. africanum
                                               Rhizocarpon atroalbum var. ambiguum
                                               Rhizocarpon atroalbum var. atroalbum
                                               Rhizocarpon atroalbum var. populorum
                                               Rhizocarpon atroalbum var. subconcentricum
                                             Rhizocarpon atrobrunnescens
                                             Rhizocarpon atroflavescens
                                               Rhizocarpon atroflavescens subsp. atroflavescens
                                               Rhizocarpon atroflavescens subsp. pulverulentum
                                               Rhizocarpon atroflavescens var. atroflavescens
                                               Rhizocarpon atroflavescens var. dovrense
                                               Rhizocarpon atroflavescens var. helveticum
                                               Rhizocarpon atroflavescens var. mattertensis
                                             Rhizocarpon atrotestaceum
                                             Rhizocarpon atrovirellum
                                             Rhizocarpon badioatrum
                                                   Rhizocarpon badioatrum f. agglomeratum
                                                   Rhizocarpon badioatrum f. atroalbum
                                                   Rhizocarpon badioatrum f. badioatrum
                                                   Rhizocarpon badioatrum f. subiculosum
                                               Rhizocarpon badioatrum var. africanum
                                               Rhizocarpon badioatrum var. atrobadium
                                               Rhizocarpon badioatrum var. badioatrum
                                                     [Buellia badioatra]
                                                     [Catocarpus badioater f. badioater]
                                                     [Lecidea alboatra var. badioatra]
                                                     [Lecidea atroalba var. badioatra]
                                                     [Lecidea badioatra]
                                                     [Rhizocarpon badioatrum]
                                               Rhizocarpon badioatrum var. epichlorum
                                               Rhizocarpon badioatrum var. gerlachei
                                               Rhizocarpon badioatrum var. incusum
                                                     [Catocarpus badioatrum var. incusum]
                                               Rhizocarpon badioatrum var. protothallinum
                                               Rhizocarpon badioatrum var. rivulare
                                               Rhizocarpon badioatrum var. rivularis
                                               Rhizocarpon badioatrum var. tapponica
                                               Rhizocarpon badioatrum var. variegatum
                                               Rhizocarpon badioatrum var. vulgare
                                             Rhizocarpon barilochense
                                             Rhizocarpon beckii
                                             Rhizocarpon biatorinum
                                             Rhizocarpon birgittae
                                             Rhizocarpon bolanderi
                                               Rhizocarpon bolanderi var. bolanderi
                                               Rhizocarpon bolanderi var. sulphurosum
                                             Rhizocarpon bollanum
                                             Rhizocarpon bonaportensis
                                             Rhizocarpon boreale
                                             Rhizocarpon bosniacum
                                             Rhizocarpon bryonthae
                                             Rhizocarpon caeruleoalbum
                                                   [Buellia coeruleoalba]
                                                   [Catocarpus coeruleoalbum]
                                                   [Rehmia caeruleoalba]
                                                   [Rhizocarpon coeruleoalbum]
                                             Rhizocarpon caesium
                                             Rhizocarpon calcareum
                                                   Rhizocarpon calcareum f. calcareum
                                                   Rhizocarpon calcareum f. pseudospeirea
                                                   Rhizocarpon calcareum f. pseudospeireum
                                                   Rhizocarpon calcareum f. subconcentricum
                                               Rhizocarpon calcareum var. calcareum
                                               Rhizocarpon calcareum var. pseudopetraeum
                                               Rhizocarpon calcareum var. reagens
                                               Rhizocarpon calcareum var. weisii
                                             Rhizocarpon candidum
                                             Rhizocarpon capense
                                             Rhizocarpon captans
                                             Rhizocarpon carpathicum
                                             Rhizocarpon carpaticum
                                             Rhizocarpon chiastomerum
                                             Rhizocarpon chioneum
                                                   [Catillaria chionea]
                                                   [Catocarpus chioneum]
                                                   [Lecidea chionea]
                                                   [Porina chiomela]
                                             Rhizocarpon cinereocaesium
                                             Rhizocarpon cinereoflavescens
                                             Rhizocarpon cinereonigrum
                                             Rhizocarpon cinereovirens
                                                   [Catocarpus cinereovirens]
                                                   [Patellaria cinereovirens]
                                                   Rhizocarpon cinereovirens f. albocoerulescens
                                                   Rhizocarpon cinereovirens f. cinereovirens
                                                   Rhizocarpon cinereovirens f. saepincola
                                                   Rhizocarpon cinereovirens f. seductum
                                                   Rhizocarpon cinereovirens f. sepincola
                                                   Rhizocarpon cinereovirens f. turgidum
                                             Rhizocarpon cinereoviridulum
                                             Rhizocarpon clausum
                                             Rhizocarpon clauzadei
                                             Rhizocarpon cleptophilum
                                             Rhizocarpon compositum
                                             Rhizocarpon concentricum
                                                   [Buellia concentrica var. concentrica]
                                                   [Buellia concentrica]
                                                   [Buellia excentrica var. concentrica]
                                                   [Diplotomma concentricum]
                                                   [Lecidea concentrica f. concentrica]
                                                   [Lecidea concentrica var. concentrica]
                                                   [Lecidea concentrica]
                                                   [Lecidea petraea subsp. concentrica]
                                                   [Lichen concentricus]
                                                   [Rhizocarpon calcareum var. concentricum]
                                                   Rhizocarpon concentricum f. coarctatum
                                                   Rhizocarpon concentricum f. concentricum
                                                   Rhizocarpon concentricum f. ferratum
                                                   Rhizocarpon concentricum f. impressulum
                                                   Rhizocarpon concentricum f. intumescens
                                                   Rhizocarpon concentricum f. percaenoides
                                                   Rhizocarpon concentricum f. protothallinum
                                                   Rhizocarpon concentricum f. subconcentricum
                                               Rhizocarpon concentricum var. concentricum
                                             Rhizocarpon concolor
                                             Rhizocarpon concretum
                                                   Rhizocarpon concretum f. areolatum
                                                   Rhizocarpon concretum f. citrinum
                                                   Rhizocarpon concretum f. concretum
                                                   Rhizocarpon concretum f. confervoides
                                                   Rhizocarpon concretum f. epitomum
                                                   Rhizocarpon concretum f. fuscum
                                                   Rhizocarpon concretum f. irriguum
                                                   Rhizocarpon concretum f. montagnei
                                               Rhizocarpon concretum subsp. concretum
                                               Rhizocarpon concretum subsp. phalerosporum
                                             Rhizocarpon confervoides
                                                   Rhizocarpon confervoides f. albicans
                                                   Rhizocarpon confervoides f. cinereum
                                                   Rhizocarpon confervoides f. confervoides
                                                   Rhizocarpon confervoides f. coracinum
                                                   Rhizocarpon confervoides f. dispersum
                                                   Rhizocarpon confervoides f. fuscescens
                                               Rhizocarpon confervoides var. confervoides
                                               Rhizocarpon confervoides var. subconcentricum
                                             Rhizocarpon conglomeratum
                                             Rhizocarpon coniopsideum
                                             Rhizocarpon coniopsidium
                                             Rhizocarpon coniopsoideum
                                             Rhizocarpon convexulum
                                             Rhizocarpon cookeanum
                                             Rhizocarpon copelandii
                                                   [Buellia copelandii]
                                                   [Catocarpus badioater f. copelandii]
                                                   [Catocarpus copelandii]
                                                   [Graphina copelandii]
                                                   [Graphis copelandii]
                                                   [Lecidea copelandii f. copelandii]
                                                   [Rhizocarpon copelandii f. copelandii]
                                                   [Rhizocarpon copelandii var. copelandii]
                                                   [Rhizocarpon cyclodes]
                                                   Rhizocarpon copelandii f. hypoleucum
                                                   Rhizocarpon copelandii f. pallidofuscescens
                                             Rhizocarpon crenulatum
                                             Rhizocarpon cumulatum
                                             Rhizocarpon cyanescens
                                             Rhizocarpon cyanothecum
                                             Rhizocarpon dahlii
                                             Rhizocarpon danicum
                                             Rhizocarpon decinerascens
                                             Rhizocarpon depressum
                                             Rhizocarpon destructans
                                             Rhizocarpon detinens
                                             Rhizocarpon diffluens
                                             Rhizocarpon dimelaenae
                                             Rhizocarpon dinothetes
                                             Rhizocarpon diploschistidina
                                             Rhizocarpon discoënse
                                             Rhizocarpon discrepans
                                             Rhizocarpon disctinctum
                                                   Rhizocarpon disctinctum f. dendriticum
                                                   Rhizocarpon disctinctum f. disctinctum
                                                   Rhizocarpon disctinctum f. subobscuratum
                                               Rhizocarpon disctinctum var. disctinctum
                                               Rhizocarpon disctinctum var. protectum
                                             Rhizocarpon dispersum
                                             Rhizocarpon disporum
                                                   [Buellia montagnei]
                                                   [Lecidea dispora]
                                                   [Lecidea geminata var. montagnei]
                                                   [Rhizocarpon confervoides]
                                                   [Rhizocarpon montagnei]
                                                   Rhizocarpon disporum f. albescens
                                                   Rhizocarpon disporum f. areolatum
                                                   Rhizocarpon disporum f. citrinum
                                                   Rhizocarpon disporum f. disporum
                                                   Rhizocarpon disporum f. epitomum
                                                   Rhizocarpon disporum f. irriguum
                                                   Rhizocarpon disporum f. obliteratum
                                                   Rhizocarpon disporum f. protothallinum
                                               Rhizocarpon disporum var. citrinum
                                               Rhizocarpon disporum var. disporum
                                               Rhizocarpon disporum var. irriguum
                                               Rhizocarpon disporum var. montagnei
                                               Rhizocarpon disporum var. venetiarum
                                             Rhizocarpon dissentiens
                                             Rhizocarpon distinctum
                                                   [Buellia distincta]
                                                   [Diplotomma distinctum]
                                                   [Lecidea atroalba var. ambigua]
                                                   [Lecidea distincta f. distincta]
                                                   [Lecidea distincta]
                                                   [Lecidea obscurata f. orphnina]
                                                   [Lecidea petraea var. ambigua]
                                                   [Rhizocarpon ambiguum var. ambiguum]
                                                   [Rhizocarpon ambiguum]
                                                   [Rhizocarpon obscuratum subsp. orphninum]
                                                   [Rhizocarpon orphninum]
                                                   [Rhizocarpon petraeum var. distinctum]
                                                   Rhizocarpon distinctum f. cinereum
                                                   Rhizocarpon distinctum f. distinctum
                                                   Rhizocarpon distinctum f. fuscum
                                                   Rhizocarpon distinctum f. illotum
                                                   Rhizocarpon distinctum f. protothallinum
                                               Rhizocarpon distinctum var. distinctum
                                               Rhizocarpon distinctum var. olympicum
                                               Rhizocarpon distinctum var. protectum
                                               Rhizocarpon distinctum var. subdistinctum
                                             Rhizocarpon diversisporum
                                             Rhizocarpon drepanodes
                                             Rhizocarpon effiguratum
                                             Rhizocarpon efflorescens
                                             Rhizocarpon elevatum
                                             Rhizocarpon endamyleum
                                             Rhizocarpon epispilum
                                             Rhizocarpon ethiopicum
                                             Rhizocarpon eupetraeoides
                                                   [Catocarpus chionophiloides]
                                                   [Lecidea atroalbescens]
                                                   [Lecidea chionophiloides]
                                                   [Lecidea eupetraeoides]
                                                   [Rhizocarpon atroalbens]
                                                   [Rhizocarpon atroalbescens]
                                                   [Rhizocarpon chionophiloides f. atroalbescens]
                                                   [Rhizocarpon chionophiloides]
                                                   [Rhizocarpon petraeum var. eupetraeoides]
                                             Rhizocarpon eupetraeum
                                                   Rhizocarpon eupetraeum f. eupetraeum
                                                   Rhizocarpon eupetraeum f. subfuscescens
                                               Rhizocarpon eupetraeum var. eupetraeum
                                               Rhizocarpon eupetraeum var. paeijaennense
                                               Rhizocarpon eupetraeum var. paëinnensis
                                             Rhizocarpon excedens
                                             Rhizocarpon expallescens
                                                   [Catocarpus expallescens]
                                                   Rhizocarpon expallescens f. expallescens
                                                   Rhizocarpon expallescens f. plumbinum
                                               Rhizocarpon expallescens subsp. expallescens
                                               Rhizocarpon expallescens subsp. glaucescens
                                             Rhizocarpon ferax
                                                   [Rhizocarpon lecanorinum subsp. drepanodes]
                                             Rhizocarpon flavum
                                                   Rhizocarpon flavum f. flavum
                                                   Rhizocarpon flavum f. subfoliosum
                                             Rhizocarpon formosum
                                             Rhizocarpon fratricida
                                             Rhizocarpon fruticosum
                                             Rhizocarpon fujijamae
                                               Rhizocarpon fujijamae var. fujijamae
                                               Rhizocarpon fujijamae var. sajanensis
                                             Rhizocarpon furax
                                             Rhizocarpon furfurosum
                                             Rhizocarpon fuscosquamosum
                                             Rhizocarpon geminatum
                                                   [Biatorina concreta]
                                                   [Buellia concreta]
                                                   [Catillaria concreta var. concreta]
                                                   [Catillaria concreta]
                                                   [Catocarpus concretus]
                                                   [Catocarpus seductus var. concretus]
                                                   [Lecanora calcarea var. concreta]
                                                   [Lecidea atroalba var. concreta]
                                                   [Lecidea concreta f. geminata]
                                                   [Lecidea concreta]
                                                   [Lecidea confervoides var. concreta]
                                                   [Patellaria concreta]
                                                   [Rhizocarpon concretum f. geminatum]
                                                   [Rhizocarpon concretum]
                                                   [Rhizocarpon montagnei f. geminatum]
                                                   [Rhizocarpon petraeum var. concretum]
                                                   [Rhizocarpon petraeum var. geminatum]
                                                   Rhizocarpon geminatum f. areolatum
                                                   Rhizocarpon geminatum f. citrinum
                                                   Rhizocarpon geminatum f. geminatum
                                                   Rhizocarpon geminatum f. irroratum
                                                   Rhizocarpon geminatum f. obliteratum
                                                   Rhizocarpon geminatum f. protothallinum
                                               Rhizocarpon geminatum var. geminatum
                                               Rhizocarpon geminatum var. irriguum
                                               Rhizocarpon geminatum var. montanum
                                             Rhizocarpon geographicum
                                                   [Abacina atrovirens]
                                                   [Buellia geographica var. atrovirens]
                                                   [Buellia geographica var. atrovirens]
                                                   [Diplotomma geographicum f. geographicum]
                                                   [Diplotomma geographicum var. geographicum]
                                                   [Diplotomma geographicum]
                                                   [Lecidea atrovirens var. geographica]
                                                   [Lecidea atrovirens]
                                                   [Lecidea galactochrysea var. atrovirens]
                                                   [Lecidea geographica f. urceolata]
                                                   [Lecidea geographica var. atrovirens]
                                                   [Lecidea geographica]
                                                   [Leproncus geographicus]
                                                   [Lichen atrovirens]
                                                   [Lichen geographicus]
                                                   [Patellaria atrovirens var. atrovirens]
                                                   [Patellaria atrovirens]
                                                   [Patellaria geographica]
                                                   [Rhizocarpon atrovirens]
                                                   [Rhizocarpon diabasicum]
                                                   [Rhizocarpon frigidum]
                                                   [Rhizocarpon geographicum f. geographicum]
                                                   [Rhizocarpon geographicum f. urceolatum]
                                                   [Rhizocarpon geographicum subsp. arcticum]
                                                   [Rhizocarpon geographicum subsp. diabasicum]
                                                   [Rhizocarpon geographicum subsp. frigidum]
                                                   [Rhizocarpon geographicum subsp. geographicum]
                                                   [Rhizocarpon geographicum subsp. kittilense]
                                                   [Rhizocarpon geographicum subsp. lindsayanum]
                                                   [Rhizocarpon geographicum subsp. prospectans]
                                                   [Rhizocarpon geographicum var. atrovirens]
                                                   [Rhizocarpon geographicum var. urceolatum]
                                                   [Rhizocarpon kittilense]
                                                   [Rhizocarpon lindsayanum subsp. kittilense]
                                                   [Rhizocarpon lindsayanum]
                                                   [Rhizocarpon petraeum var. geographicum]
                                                   [Rhizocarpon prospectans]
                                                   [Rhizocarpon riparium subsp. lindsayanum]
                                                   [Rhizocarpon riparium]
                                                   [Rhizocarpon semilecanorinum var. atlanticum]
                                                   [Rhizocarpon tinei subsp. arcticum]
                                                   [Rhizocarpon tinei subsp. diabasicum]
                                                   [Rhizocarpon tinei subsp. frigidum]
                                                   [Rhizocarpon tinei subsp. prospectans]
                                                   [Rhizocarpon tinei subsp. vulgare]
                                                   [Rhizocarpon urceolatum]
                                                   [Urceolaria geographica]
                                                   [Verrucaria atrovirens]
                                                   [Verrucaria geographica]
                                                   Rhizocarpon geographicum f. alandicum
                                                   Rhizocarpon geographicum f. atrovirens
                                                   Rhizocarpon geographicum f. atroviride
                                                   Rhizocarpon geographicum f. brenneri
                                                   Rhizocarpon geographicum f. coerulescens
                                                   Rhizocarpon geographicum f. conglomeratum
                                                   Rhizocarpon geographicum f. contiguum
                                                   Rhizocarpon geographicum f. cyanodes
                                                   Rhizocarpon geographicum f. cyclocarpum
                                                   Rhizocarpon geographicum f. cyclopicum
                                                   Rhizocarpon geographicum f. dealbata
                                                   Rhizocarpon geographicum f. dealbatum
                                                   Rhizocarpon geographicum f. decipiens
                                                   Rhizocarpon geographicum f. depauperatum
                                                   Rhizocarpon geographicum f. dispersa
                                                   Rhizocarpon geographicum f. dispersum
                                                   Rhizocarpon geographicum f. epichloroticum
                                                   Rhizocarpon geographicum f. epirrhoda
                                                   Rhizocarpon geographicum f. feracissimum
                                                   Rhizocarpon geographicum f. fraudans
                                                   Rhizocarpon geographicum f. genuinum
                                                   Rhizocarpon geographicum f. glebosa
                                                   Rhizocarpon geographicum f. granulosum
                                                   Rhizocarpon geographicum f. immundum
                                                   Rhizocarpon geographicum f. intermedium
                                                   Rhizocarpon geographicum f. ludda
                                                   Rhizocarpon geographicum f. luteum
                                                   Rhizocarpon geographicum f. medians
                                                   Rhizocarpon geographicum f. nigritum
                                                   Rhizocarpon geographicum f. ochraceum
                                                   Rhizocarpon geographicum f. oxydatum
                                                   Rhizocarpon geographicum f. pallescens
                                                   Rhizocarpon geographicum f. procyanea
                                                   Rhizocarpon geographicum f. protothallinum
                                                   Rhizocarpon geographicum f. pulverulentum
                                                   Rhizocarpon geographicum f. rhododendri
                                                   Rhizocarpon geographicum f. rugulosa
                                                   Rhizocarpon geographicum f. sorediatum
                                                   Rhizocarpon geographicum f. subcinerascens
                                                   Rhizocarpon geographicum f. subdispersa
                                                   Rhizocarpon geographicum f. subviridis
                                                   Rhizocarpon geographicum f. tenellum
                                                   Rhizocarpon geographicum f. typica
                                                   Rhizocarpon geographicum f. viridis
                                               Rhizocarpon geographicum subsp. kittilense
                                               Rhizocarpon geographicum subsp. lindsayanum
                                               Rhizocarpon geographicum subsp. tinei
                                               Rhizocarpon geographicum subsp. transatlanticum
                                               Rhizocarpon geographicum var. alandica
                                               Rhizocarpon geographicum var. albohypothallium
                                               Rhizocarpon geographicum var. albopuncta
                                               Rhizocarpon geographicum var. americana
                                               Rhizocarpon geographicum var. atrovirellum
                                               Rhizocarpon geographicum var. atroviride
                                               Rhizocarpon geographicum var. australica
                                               Rhizocarpon geographicum var. brenneri
                                               Rhizocarpon geographicum var. concavum
                                               Rhizocarpon geographicum var. contigua
                                               Rhizocarpon geographicum var. corticicola
                                               Rhizocarpon geographicum var. cyanodes
                                               Rhizocarpon geographicum var. falklandicum
                                               Rhizocarpon geographicum var. feracissimum
                                               Rhizocarpon geographicum var. ferruginea
                                               Rhizocarpon geographicum var. fraudans
                                               Rhizocarpon geographicum var. geographicum
                                               Rhizocarpon geographicum var. gerontica
                                               Rhizocarpon geographicum var. havaiiensis
                                               Rhizocarpon geographicum var. hispanica
                                               Rhizocarpon geographicum var. islandica
                                               Rhizocarpon geographicum var. japonicum
                                               Rhizocarpon geographicum var. knightii
                                               Rhizocarpon geographicum var. lavatum
                                               Rhizocarpon geographicum var. lecanorum
                                               Rhizocarpon geographicum var. lividonigra
                                               Rhizocarpon geographicum var. macrosporum
                                               Rhizocarpon geographicum var. microsporum
                                               Rhizocarpon geographicum var. monthlancum
                                               Rhizocarpon geographicum var. neozelandica
                                               Rhizocarpon geographicum var. neozelandicum
                                               Rhizocarpon geographicum var. newelandica
                                               Rhizocarpon geographicum var. nuorunensis
                                               Rhizocarpon geographicum var. pseudogerontica
                                               Rhizocarpon geographicum var. radians
                                               Rhizocarpon geographicum var. saanaënse
                                               Rhizocarpon geographicum var. sorediata
                                               Rhizocarpon geographicum var. straminea
                                               Rhizocarpon geographicum var. subcinerascens
                                               Rhizocarpon geographicum var. sublucidum
                                               Rhizocarpon geographicum var. tinei
                                               Rhizocarpon geographicum var. varia
                                             Rhizocarpon geronticum
                                               Rhizocarpon geronticum var. geronticum
                                               Rhizocarpon geronticum var. nuorunense
                                             Rhizocarpon glaucescens
                                             Rhizocarpon gracile
                                               Rhizocarpon gracile var. gracile
                                               Rhizocarpon gracile var. sanguineum
                                             Rhizocarpon granatense
                                             Rhizocarpon grande
                                                   [Buellia petraea var. grandis]
                                                   [Diplotomma grande f. grande]
                                                   [Diplotomma grande]
                                                   [Lecidea grandis f. grandis]
                                                   [Lecidea petraea f. grande]
                                                   [Lecidea petraea f. grandis]
                                                   [Rhizocarpon atroalbum var. grande]
                                                   [Rhizocarpon petraeum var. grande]
                                                   Rhizocarpon grande f. cinereobullatum
                                                   Rhizocarpon grande f. elfvingii
                                                   Rhizocarpon grande f. eupetraeum
                                                   Rhizocarpon grande f. grande
                                                   Rhizocarpon grande f. parapetraeum
                                                   Rhizocarpon grande f. parasitica
                                                   Rhizocarpon grande f. petraeizum
                                               Rhizocarpon grande var. cinereobullata
                                               Rhizocarpon grande var. grande
                                               Rhizocarpon grande var. quaternarium
                                             Rhizocarpon griseolum
                                             Rhizocarpon groenlandicum
                                             Rhizocarpon haeyrenii
                                             Rhizocarpon havaasii
                                             Rhizocarpon hensseniae
                                             Rhizocarpon heppianum
                                             Rhizocarpon hermannii
                                             Rhizocarpon heterodoxum
                                             Rhizocarpon himalayense
                                             Rhizocarpon hochstetteri
                                                   [Biatora hochstetteri]
                                                   [Buellia atroalba]
                                                   [Buellia colludens]
                                                   [Catillaria colludens]
                                                   [Catillaria hochstetteri]
                                                   [Catocarpus hochstetteri]
                                                   [Lecidea colludens]
                                                   [Lecidea hochstetteri var. colludens]
                                                   [Lecidea hochstetteri var. hochstetteri]
                                                   [Lecidea hochstetteri]
                                                   [Rhizocarpon colludens var. colludens]
                                                   [Rhizocarpon colludens var. rufoatrum]
                                                   [Rhizocarpon colludens]
                                                   [Rhizocarpon hochstetteri f. colludens]
                                                   [Rhizocarpon massalongoi f. colludens]
                                                   Rhizocarpon hochstetteri f. caesiocinerascens
                                                   Rhizocarpon hochstetteri f. dealbatum
                                                   Rhizocarpon hochstetteri f. dispersella
                                                   Rhizocarpon hochstetteri f. hochstetteri
                                                   Rhizocarpon hochstetteri f. incrassata
                                               Rhizocarpon hochstetteri var. hochstetteri
                                             Rhizocarpon hyalinescens
                                                   Rhizocarpon hyalinescens f. aeruginasascens
                                                   Rhizocarpon hyalinescens f. hyalinescens
                                             Rhizocarpon hyperboreum
                                             Rhizocarpon ignobile
                                             Rhizocarpon illotum
                                             Rhizocarpon inarense
                                                   [Catocarpus inarense]
                                                   [Lecidea chionophiloides subsp. inarensis]
                                                   [Lecidea inarensis]
                                             Rhizocarpon infernulum
                                                   Rhizocarpon infernulum f. infernulum
                                                         [Lecidea infernula]
                                                         [Rhizocarpon hochstetteri f. infernula]
                                                         [Rhizocarpon hochstetteri var. infernula]
                                                         [Rhizocarpon infernulum]
                                                         [Rhizocarpon massalongoi f. infernulum]
                                                   Rhizocarpon infernulum f. sylvaticum
                                             Rhizocarpon inflatum
                                             Rhizocarpon inimicum
                                             Rhizocarpon inops
                                             Rhizocarpon intercalans
                                             Rhizocarpon intermediellum
                                               Rhizocarpon intermediellum subsp. carpathicum
                                               Rhizocarpon intermediellum subsp. intermediellum
                                               Rhizocarpon intermediellum var. intermediellum
                                               Rhizocarpon intermediellum var. typicum
                                               Rhizocarpon intermediellum var. zetterstedtii
                                             Rhizocarpon intermedium
                                             Rhizocarpon interponens
                                             Rhizocarpon intersitum
                                                   Rhizocarpon intersitum f. intersitum
                                                   Rhizocarpon intersitum f. minutum
                                             Rhizocarpon ischnothallum
                                             Rhizocarpon italicum
                                             Rhizocarpon japonicum
                                             Rhizocarpon jemtlandicum
                                             Rhizocarpon johnstoni
                                             Rhizocarpon johnstonii
                                             Rhizocarpon kakurgon
                                             Rhizocarpon kansuense
                                             Rhizocarpon karelicum
                                             Rhizocarpon kerguelense
                                                   [Rhizocarpon geographicum var. kerguelensis]
                                             Rhizocarpon kiboense
                                             Rhizocarpon lapillorum
                                             Rhizocarpon lavatum
                                                   [Buellia lavata f. lavata]
                                                   [Buellia lavata]
                                                   [Buellia obscurata var. lavata]
                                                   [Buellia petraea var. lavata]
                                                   [Lecidea lavata f. ferrata]
                                                   [Lecidea lavata]
                                                   [Lecidea petraea var. lavata]
                                                   [Rhizocarpon obscuratum f. lavatum]
                                                   [Rhizocarpon obscuratum subsp. roridulum]
                                                   [Rhizocarpon petraeum var. lavatum]
                                                   Rhizocarpon lavatum f. ferratum
                                                   Rhizocarpon lavatum f. lavatum
                                                   Rhizocarpon lavatum f. subochraceum
                                               Rhizocarpon lavatum var. lavatum
                                               Rhizocarpon lavatum var. nyiridyanum
                                               Rhizocarpon lavatum var. subumbrinum
                                             Rhizocarpon lecanora
                                             Rhizocarpon lecanorinum
                                                   [Buellia geographica var. lecanorina]
                                                   [Diplotomma geographicum f. lecanorinum]
                                                   [Lecidea geographica var. lecanorina]
                                                   [Rhizocarpon geographicum var. lecanorinum]
                                                   Rhizocarpon lecanorinum f. incrassata
                                                   Rhizocarpon lecanorinum f. lecanorinum
                                               Rhizocarpon lecanorinum subsp. lecanorinum
                                               Rhizocarpon lecanorinum var. atlantica
                                               Rhizocarpon lecanorinum var. cyclopicum
                                               Rhizocarpon lecanorinum var. fuscescens
                                               Rhizocarpon lecanorinum var. havaasii
                                               Rhizocarpon lecanorinum var. lecanorinum
                                               Rhizocarpon lecanorinum var. linkolae
                                               Rhizocarpon lecanorinum var. pseudolecanorina
                                             Rhizocarpon leprosulum
                                             Rhizocarpon leptolepis
                                             Rhizocarpon leucoplacum
                                             Rhizocarpon leucopsephum
                                             Rhizocarpon linkolae
                                             Rhizocarpon lomnitzense
                                             Rhizocarpon lunulatum
                                             Rhizocarpon lusitanicum
                                               Rhizocarpon lusitanicum var. lusitanicum
                                             Rhizocarpon lutosum
                                             Rhizocarpon lyngei
                                             Rhizocarpon macrosporum
                                                   Rhizocarpon macrosporum f. macrosporum
                                             Rhizocarpon mahreri
                                             Rhizocarpon malenconianum
                                             Rhizocarpon massalongii
                                                   Rhizocarpon massalongii f. colludens
                                                   Rhizocarpon massalongii f. incrassatum
                                                   Rhizocarpon massalongii f. massalongii
                                             Rhizocarpon massalongoi
                                                   Rhizocarpon massalongoi f. caesiocinerascens
                                                   Rhizocarpon massalongoi f. depauperatum
                                                   Rhizocarpon massalongoi f. incrassatum
                                                   Rhizocarpon massalongoi f. massalongoi
                                                   Rhizocarpon massalongoi f. subsimplex
                                             Rhizocarpon mawsoni
                                             Rhizocarpon mawsonii
                                             Rhizocarpon megapotamicum
                                             Rhizocarpon melaenum
                                             Rhizocarpon melaneimum
                                                   Rhizocarpon melaneimum f. melaneimum
                                                   Rhizocarpon melaneimum f. pruinosa
                                             Rhizocarpon melanostictum
                                             Rhizocarpon merloënse
                                             Rhizocarpon merrillii
                                             Rhizocarpon mexicanum
                                             Rhizocarpon microspermum
                                             Rhizocarpon microsporizum
                                             Rhizocarpon microsporum
                                             Rhizocarpon mosigiae
                                             Rhizocarpon myrinii
                                             Rhizocarpon nabewariense
                                             Rhizocarpon narssaqense
                                             Rhizocarpon narssaqensis
                                             Rhizocarpon neozelandicum
                                             Rhizocarpon nidificum
                                             Rhizocarpon nipponense
                                             Rhizocarpon nitidum
                                             Rhizocarpon nordenskioeldii
                                             Rhizocarpon norvegicum
                                               Rhizocarpon norvegicum var. kindii
                                               Rhizocarpon norvegicum var. norvegicum
                                             Rhizocarpon oberwinkleri
                                             Rhizocarpon obscuratum
                                                   Rhizocarpon obscuratum f. acrustaceum
                                                   Rhizocarpon obscuratum f. amphibolum
                                                   Rhizocarpon obscuratum f. cinerascens
                                                   Rhizocarpon obscuratum f. conspurcatum
                                                   Rhizocarpon obscuratum f. contiguum
                                                   Rhizocarpon obscuratum f. diffractum
                                                   Rhizocarpon obscuratum f. dispersum
                                                   Rhizocarpon obscuratum f. ecrustaceum
                                                   Rhizocarpon obscuratum f. euthallinum
                                                   Rhizocarpon obscuratum f. ferratum
                                                   Rhizocarpon obscuratum f. fuscescens
                                                   Rhizocarpon obscuratum f. granulosum
                                                   Rhizocarpon obscuratum f. maculare
                                                   Rhizocarpon obscuratum f. minusculum
                                                   Rhizocarpon obscuratum f. nigrescens
                                                   Rhizocarpon obscuratum f. xylogenum
                                               Rhizocarpon obscuratum subsp. lingii
                                               Rhizocarpon obscuratum subsp. megapotamicum
                                               Rhizocarpon obscuratum var. elegans
                                               Rhizocarpon obscuratum var. fimbriatum
                                               Rhizocarpon obscuratum var. fuscocinereum
                                               Rhizocarpon obscuratum var. lavatum
                                               Rhizocarpon obscuratum var. luridum
                                               Rhizocarpon obscuratum var. sublavatum
                                               Rhizocarpon obscuratum var. subvirescens
                                             Rhizocarpon occidentale
                                             Rhizocarpon ochrodelum
                                             Rhizocarpon ochrolechiae
                                                   [Rhizocarpon lusitanicum var. ochrolechiae]
                                             Rhizocarpon ochrotropum
                                             Rhizocarpon oederi
                                                   [Aspicilia oederi]
                                                   [Biatora oederi]
                                                   [Buellia oederi]
                                                   [Buellia petraea var. oederi]
                                                   [Diplotomma oederi]
                                                   [Lecidea dicksonii var. oederi]
                                                   [Lecidea fuscoatra var. oederi]
                                                   [Lecidea oederi]
                                                   [Lecidea petraea var. oederi]
                                                   [Lichen oederi]
                                                   [Patellaria oederi]
                                                   [Rhizocarpon petraeum var. oederi]
                                                   [Urceolaria oederi]
                                                   [Verrucaria oederi]
                                                   Rhizocarpon oederi f. gyrocarpa
                                                   Rhizocarpon oederi f. oederi
                                             Rhizocarpon oidaleum
                                             Rhizocarpon olivetorum
                                               Rhizocarpon olivetorum var. dissoluta
                                               Rhizocarpon olivetorum var. olivetorum
                                             Rhizocarpon oportense
                                             Rhizocarpon oxydatum
                                             Rhizocarpon papillatum
                                             Rhizocarpon parapetraeum
                                             Rhizocarpon parasiticum
                                             Rhizocarpon parvum
                                                   Rhizocarpon parvum f. caesia
                                                   Rhizocarpon parvum f. parvum
                                               Rhizocarpon parvum var. novomexicana
                                               Rhizocarpon parvum var. parvum
                                             Rhizocarpon patellarium
                                             Rhizocarpon penichrum
                                             Rhizocarpon permodestum
                                             Rhizocarpon peruvianum
                                             Rhizocarpon petraeizum
                                             Rhizocarpon petraeum
                                                   [Buellia concentrica var. excentrica]
                                                   [Buellia excentrica var. excentrica]
                                                   [Buellia excentrica]
                                                   [Buellia petraea f. petraea]
                                                   [Buellia petraea var. petraea]
                                                   [Buellia petraea]
                                                   [Diplotomma excentricum]
                                                   [Diplotomma petraeum f. petraeum]
                                                   [Diplotomma petraeum var. petraeum]
                                                   [Diplotomma petraeum]
                                                   [Lecidea excentrica var. excentrica]
                                                   [Lecidea excentrica]
                                                   [Lecidea perluta]
                                                   [Lecidea petraea subsp. petraea]
                                                   [Lecidea petraea var. excentrica]
                                                   [Lecidea petraea]
                                                   [Lecidea variegata var. petraea]
                                                   [Lichen petraeus]
                                                   [Patellaria petraea]
                                                   [Rhizocarpon atroalbum f. petraeum]
                                                   [Rhizocarpon calcareum f. excentricum]
                                                   [Rhizocarpon calcareum f. excentricum]
                                                   [Rhizocarpon concentricum var. excentricum]
                                                   [Rhizocarpon excentricum f. excentricum]
                                                   [Rhizocarpon excentricum var. excentricum]
                                                   [Rhizocarpon excentricum]
                                                   [Rhizocarpon perlutum]
                                                   [Rhizocarpon petraeum var. excentricum]
                                                   [Siegertia petraea]
                                                   [Verrucaria petraea]
                                                   Rhizocarpon petraeum f. albicans
                                                   Rhizocarpon petraeum f. albineum
                                                   Rhizocarpon petraeum f. chloromelum
                                                   Rhizocarpon petraeum f. cinereum
                                                   Rhizocarpon petraeum f. coarctata
                                                   Rhizocarpon petraeum f. dispersum
                                                   Rhizocarpon petraeum f. fuscocinereum
                                                   Rhizocarpon petraeum f. fuscum
                                                   Rhizocarpon petraeum f. lapicidum
                                                   Rhizocarpon petraeum f. orbiculare
                                                   Rhizocarpon petraeum f. petraeum
                                                   Rhizocarpon petraeum f. protothallinum
                                                   Rhizocarpon petraeum f. soreumaticum
                                                   Rhizocarpon petraeum f. subalbicans
                                                   Rhizocarpon petraeum f. subobscuratum
                                                   Rhizocarpon petraeum f. tenuimarginatum
                                                   Rhizocarpon petraeum f. typicum
                                               Rhizocarpon petraeum var. atrocaesium
                                               Rhizocarpon petraeum var. cinereobullatum
                                               Rhizocarpon petraeum var. dispersum
                                               Rhizocarpon petraeum var. fimbriatum
                                               Rhizocarpon petraeum var. montagnei
                                               Rhizocarpon petraeum var. petraeum
                                               Rhizocarpon petraeum var. pusillum
                                               Rhizocarpon petraeum var. rhedonense
                                               Rhizocarpon petraeum var. subconcentricum
                                               Rhizocarpon petraeum var. vulgare
                                             Rhizocarpon phaeolepis
                                             Rhizocarpon phalerosporum
                                                   Rhizocarpon phalerosporum f. phalerosporum
                                             Rhizocarpon pindarense
                                             Rhizocarpon polare
                                             Rhizocarpon polycarpoides
                                             Rhizocarpon polycarpum
                                                   [Buellia aethalea var. atroalbella]
                                                   [Buellia atroalba var. atroalbella]
                                                   [Buellia atroalbella var. atroalbella]
                                                   [Buellia atroalbella]
                                                   [Buellia badioatra var. atroalbella]
                                                   [Buellia badioatra var. atrobadia]
                                                   [Catocarpus confervoides var. polycarpus]
                                                   [Lecidea atroalba var. atroalbella]
                                                   [Lecidea atroalbella var. atroalbella]
                                                   [Lecidea atroalbella]
                                                   [Lecidea atrobadia]
                                                   [Lecidea confervoides var. polycarpa]
                                                   Rhizocarpon polycarpum f. aspicilioides
                                                   Rhizocarpon polycarpum f. dendriticum
                                                   Rhizocarpon polycarpum f. majus
                                                   Rhizocarpon polycarpum f. oxydatum
                                                   Rhizocarpon polycarpum f. polycarpum
                                                   Rhizocarpon polycarpum f. rhododendri
                                                   Rhizocarpon polycarpum f. triseptatum
                                               Rhizocarpon polycarpum var. atrobadium
                                               Rhizocarpon polycarpum var. dendriticum
                                               Rhizocarpon polycarpum var. polycarpum
                                             Rhizocarpon populorum
                                             Rhizocarpon porphyrostrotum
                                             Rhizocarpon postumans
                                             Rhizocarpon postumum
                                                   [Rhizocarpon lotum]
                                             Rhizocarpon praebadium
                                             Rhizocarpon pseudopetraeum
                                             Rhizocarpon pseudorivulare
                                             Rhizocarpon pseudospeireum
                                               Rhizocarpon pseudospeireum var. groenlandicum
                                               Rhizocarpon pseudospeireum var. pseudospeireum
                                             Rhizocarpon pulverulentum
                                             Rhizocarpon purpurascens
                                             Rhizocarpon pusillum
                                               Rhizocarpon pusillum var. asiaticum
                                               Rhizocarpon pusillum var. pusillum
                                             Rhizocarpon pycnocarpoides
                                             Rhizocarpon quinonum
                                             Rhizocarpon rapax
                                             Rhizocarpon reductum
                                                   [Rhizocarpon obscuratum f. reductum]
                                                   [Rhizocarpon obscuratum var. reductum]
                                             Rhizocarpon renneri
                                             Rhizocarpon rhedonense
                                             Rhizocarpon richardii
                                                   [Buellia atroalba var. richardii]
                                                   [Buellia lavata f. confervoides]
                                                   [Buellia richardii]
                                                   [Lecidea confervoides]
                                                   [Lecidea petraea f. confervoides]
                                                   [Lecidea richardii]
                                                   [Rhizocarpon atlanticum]
                                                   [Rhizocarpon badioatrum var. atroalbum]
                                                   [Rhizocarpon confervoides]
                                                   [Rhizocarpon constrictum subsp. richardii]
                                                   [Rhizocarpon constrictum]
                                                   [Rhizocarpon obscuratum f. confervoides]
                                                   [Rhizocarpon petraeum var. confervoides]
                                               Rhizocarpon richardii subsp. constrictum
                                               Rhizocarpon richardii subsp. richardii
                                             Rhizocarpon ridescens
                                                   [Rhizocarpon geographicum f. ridescens]
                                                   [Rhizocarpon geographicum var. ridescens]
                                             Rhizocarpon ridniense
                                             Rhizocarpon rittokense
                                             Rhizocarpon rivulare
                                             Rhizocarpon roridulum
                                                   [Rhizocarpon roridulum f. roridulum]
                                                   Rhizocarpon roridulum f. cinerascens
                                                   Rhizocarpon roridulum f. conspurcatum
                                                   Rhizocarpon roridulum f. fuscescens
                                                   Rhizocarpon roridulum f. nigrescens
                                                   Rhizocarpon roridulum f. protothallinum
                                                   Rhizocarpon roridulum f. sorediatum
                                             Rhizocarpon roussopoulosii
                                             Rhizocarpon rubescens
                                             Rhizocarpon saanaënse
                                                   Rhizocarpon saanaënse f. mendowe
                                                   Rhizocarpon saanaënse f. mendozae
                                                   Rhizocarpon saanaënse f. saanaënse
                                               Rhizocarpon saanaënse var. dispersa
                                               Rhizocarpon saanaënse var. distans
                                               Rhizocarpon saanaënse var. haltiaënse
                                               Rhizocarpon saanaënse var. saanaënse
                                             Rhizocarpon sajanense
                                             Rhizocarpon santessonii
                                             Rhizocarpon saurinum
                                             Rhizocarpon scabridum
                                             Rhizocarpon schedomyces
                                             Rhizocarpon schofieldii
                                             Rhizocarpon seductum
                                             Rhizocarpon semilecanorinum
                                               Rhizocarpon semilecanorinum var. semilecanorinum
                                             Rhizocarpon semotulum
                                             Rhizocarpon sikkimense
                                             Rhizocarpon simillimum
                                                   [Buellia simillima]
                                                   [Catocarpus simillimus var. simillimus]
                                                   [Catocarpus simillimus]
                                                   [Lecidea simillima]
                                                   [Rhizocarpon simillimum var. simillimum]
                                               Rhizocarpon simillimum var. subplumbeum
                                             Rhizocarpon simulans
                                             Rhizocarpon sinense
                                             Rhizocarpon solitarium
                                             Rhizocarpon sorediatum
                                             Rhizocarpon sorediosum
                                             Rhizocarpon sphaericum
                                                   Rhizocarpon sphaericum f. sphaericum
                                                   Rhizocarpon sphaericum f. subpurpureum
                                               Rhizocarpon sphaericum var. intermedium
                                               Rhizocarpon sphaericum var. rugulosum
                                               Rhizocarpon sphaericum var. sphaericum
                                             Rhizocarpon sphaerosporum
                                             Rhizocarpon splendidum
                                             Rhizocarpon subalboatrum
                                             Rhizocarpon subalpicola
                                             Rhizocarpon subalpicolum
                                             Rhizocarpon subareolatum
                                             Rhizocarpon subcoeruleum
                                             Rhizocarpon subconcentricum
                                                   Rhizocarpon subconcentricum f. nigricans
                                                   Rhizocarpon subconcentricum f. subconcentricum
                                             Rhizocarpon subconglomeratum
                                             Rhizocarpon subcontiguum
                                             Rhizocarpon subgeminatum
                                             Rhizocarpon sublavatum
                                             Rhizocarpon sublestum
                                             Rhizocarpon sublucidum
                                               Rhizocarpon sublucidum var. lavata
                                               Rhizocarpon sublucidum var. sublucidum
                                             Rhizocarpon submodestum
                                             Rhizocarpon subocellatum
                                             Rhizocarpon subpostumum
                                               Rhizocarpon subpostumum subsp. subpostumum
                                               Rhizocarpon subpostumum subsp. turjaënsis
                                             Rhizocarpon subreductum
                                             Rhizocarpon subtile
                                             Rhizocarpon sulphurosum
                                                   [Buellia bolanderi var. sulphurosa]
                                             Rhizocarpon suomiense
                                             Rhizocarpon superficiale
                                                   Rhizocarpon superficiale f. genuinum
                                                   Rhizocarpon superficiale f. intermedium
                                                   Rhizocarpon superficiale f. reticulatum
                                                   Rhizocarpon superficiale f. superficiale
                                               Rhizocarpon superficiale ssp. splendidum
                                                     [Rhizocarpon superficiale subsp. splendidum]
                                               Rhizocarpon superficiale ssp. superficiale
                                                     [Lecidea superficialis]
                                                     [Rhizocarpon crystalligenum]
                                                     [Rhizocarpon superficiale subsp. boreale]
                                                     [Rhizocarpon superficiale subsp. superficiale]
                                                     [Rhizocarpon superficiale var. crystalligenum]
                                               Rhizocarpon superficiale var. intermedium
                                               Rhizocarpon superficiale var. rugulosum
                                               Rhizocarpon superficiale var. superficiale
                                             Rhizocarpon superstratum
                                             Rhizocarpon tavaresii
                                             Rhizocarpon tegulare
                                             Rhizocarpon tephromelae
                                             Rhizocarpon tetramerum
                                             Rhizocarpon tetrasporum
                                             Rhizocarpon thomsonii
                                                   Rhizocarpon thomsonii f. fuscidulum
                                                   Rhizocarpon thomsonii f. thomsonii
                                             Rhizocarpon timdalii
                                             Rhizocarpon tinei
                                               Rhizocarpon tinei subsp. tinei
                                               Rhizocarpon tinei var. tinei
                                             Rhizocarpon transatlanticum
                                             Rhizocarpon transiens
                                             Rhizocarpon trapeliicola
                                             Rhizocarpon triseptatum
                                             Rhizocarpon umbilicatum
                                                   [Diplotomma umbilicatum]
                                                   [Lecidea petraea var. umbilicata]
                                                   [Lecidea umbilicata]
                                                   [Rhizocarpon petraeum var. umbilicatum]
                                                   [Siegertia umbilicata]
                                                   Rhizocarpon umbilicatum f. pseudospeireum
                                                   Rhizocarpon umbilicatum f. rimosum
                                                   Rhizocarpon umbilicatum f. subconcentricum
                                                   Rhizocarpon umbilicatum f. umbilicatum
                                               Rhizocarpon umbilicatum var. reagens
                                               Rhizocarpon umbilicatum var. umbilicatum
                                             Rhizocarpon umbricola
                                             Rhizocarpon umbricolum
                                             Rhizocarpon umense
                                             Rhizocarpon urceolinum
                                             Rhizocarpon vainioense
                                             Rhizocarpon variegatum
                                             Rhizocarpon vermlandicum
                                             Rhizocarpon vernicomoideum
                                             Rhizocarpon verrucosum
                                             Rhizocarpon vierhapperi
                                             Rhizocarpon viridiatrum
                                                   [Buellia viridiatra]
                                                   [Diplotomma viridiatrum]
                                                   [Lecidea geographica var. sphaerica]
                                                   [Lecidea geographica var. viridiatra]
                                                   [Lecidea petraea var. viridiatra]
                                                   [Lecidea viridiatra]
                                                   [Lichen viridiater]
                                                   [Rhizocarpon geographicum var. sphaericum]
                                                   [Rhizocarpon geographicum var. viridiatrum]
                                                   Rhizocarpon viridiatrum f. areolatum
                                                   Rhizocarpon viridiatrum f. viridiatrum
                                               Rhizocarpon viridiatrum var. muddii
                                               Rhizocarpon viridiatrum var. norrlinii
                                               Rhizocarpon viridiatrum var. oportense
                                               Rhizocarpon viridiatrum var. viridiatrum
                                             Rhizocarpon vorax
                                             Rhizocarpon vulcani
                                             Rhizocarpon weisii
                                             Rhizocarpon wulffianum
                                     Rhizocarponomyces
                                             Rhizocarponomyces petraei
                                     Siegertia
                                             Siegertia calcarea
                                               Siegertia calcarea var. calcarea
                                               Siegertia calcarea var. weisii
                                             Siegertia petraeum
                                             Siegertia pseudospeirea
                                     Xanthopsis

Problematic Rooting (128791)
                                               Catocarpus applanatum var. applanatum
                                               Catocarpus applanatum var. colludens
                                               Catocarpus applanatum var. incrassata

Problematic Rooting (128799)
                                               Catocarpus chionophilus var. riphaeus

Problematic Rooting (128800)
                                                   Catocarpus cinereovirens f. asynnum
                                                   Catocarpus cinereovirens f. cinereovirens
                                                   Catocarpus cinereovirens f. saepincola
                                                   Catocarpus cinereovirens f. sepincola
                                                   Catocarpus cinereovirens f. subroridulum

Problematic Rooting (128830)
                                               Catocarpus simillimus var. subplumbeus

Problematic Rooting (128845)
                                               Catolechia lactea var. lactea
                                               Catolechia lactea var. recobarina

Problematic Rooting (286247)
                                               Melanospora sphaerodermoides var. rubella
                                               Melanospora sphaerodermoides var. sphaerodermoides

Problematic Rooting (286257)
                                                   Melanospora vervecina f. arundinis
                                                   Melanospora vervecina f. vervecina

Problematic Rooting (407183)
                                                   Rhizocarpon alboatrum f. pancinum
                                                   Rhizocarpon alboatrum f. spilomaticum
                                               Rhizocarpon alboatrum var. alboatrum
                                               Rhizocarpon alboatrum var. ambiguum
                                               Rhizocarpon alboatrum var. corticola
                                               Rhizocarpon alboatrum var. margaritaceum
                                               Rhizocarpon alboatrum var. populorum
                                               Rhizocarpon alboatrum var. saxicola
                                               Rhizocarpon alboatrum var. trabinellum

Problematic Rooting (407186)
                                                   Rhizocarpon ambiguum f. albicans
                                                   Rhizocarpon ambiguum f. ambiguum
                                                   Rhizocarpon ambiguum f. cinereum
                                                   Rhizocarpon ambiguum f. dendriticum
                                                   Rhizocarpon ambiguum f. fuscum
                                                   Rhizocarpon ambiguum f. illotum
                                                   Rhizocarpon ambiguum f. incavatum
                                                   Rhizocarpon ambiguum f. soreumaticum
                                                   Rhizocarpon ambiguum f. subalbicans
                                                   Rhizocarpon ambiguum f. subobscuratum
                                               Rhizocarpon ambiguum var. olympicum
                                               Rhizocarpon ambiguum var. subdistinctum

Problematic Rooting (407193)
                                                   Rhizocarpon applanatum f. subsimplex

Problematic Rooting (407235)
                                                   Rhizocarpon chionophiloides f. anoicheum
                                                   Rhizocarpon chionophiloides f. catolechioides
                                                   Rhizocarpon chionophiloides f. chionophiloides
                                                   Rhizocarpon chionophiloides f. orientale
                                                   Rhizocarpon chionophiloides f. subnegans
                                                   Rhizocarpon chionophiloides f. variegatum
                                               Rhizocarpon chionophiloides var. chionophiloides
                                               Rhizocarpon chionophiloides var. subnegans

Problematic Rooting (407236)
                                                   Rhizocarpon chionophilum f. chionophilum
                                                   Rhizocarpon chionophilum f. decoloratum
                                                   Rhizocarpon chionophilum f. fellmanii
                                                   Rhizocarpon chionophilum f. gerontoides
                                                   Rhizocarpon chionophilum f. ludibundum
                                                   Rhizocarpon chionophilum f. primarium
                                               Rhizocarpon chionophilum var. chionophilum
                                               Rhizocarpon chionophilum var. decolorata
                                               Rhizocarpon chionophilum var. fellmanii
                                               Rhizocarpon chionophilum var. ludibunda
                                               Rhizocarpon chionophilum var. primaria
                                               Rhizocarpon chionophilum var. sallensis

Problematic Rooting (407252)
                                               Rhizocarpon constrictum subsp. constrictum
                                               Rhizocarpon constrictum var. constrictum
                                               Rhizocarpon constrictum var. polycarpioides

Problematic Rooting (407268)
                                                   Rhizocarpon diabasicum f. diabasicum
                                                   Rhizocarpon diabasicum f. smaragdina

Problematic Rooting (407285)
                                               Rhizocarpon epipolium var. farinosum

Problematic Rooting (407290)
                                               Rhizocarpon excentricum var. geographicum

Problematic Rooting (407346)
                                               Rhizocarpon lindsayanum subsp. lindsayanum

Problematic Rooting (407371)
                                                   Rhizocarpon montagnei f. areolatum
                                                   Rhizocarpon montagnei f. montagnei
                                                   Rhizocarpon montagnei f. obliteratum
                                                   Rhizocarpon montagnei f. protothallinum
                                               Rhizocarpon montagnei var. montagnei

Problematic Rooting (407391)
                                                   Rhizocarpon oreites f. chlorea
                                                   Rhizocarpon oreites f. gerontoides
                                                   Rhizocarpon oreites f. oreites
                                                   Rhizocarpon oreites f. pallidocinereum
                                                   Rhizocarpon oreites f. pulchra
                                                   Rhizocarpon oreites f. solutum
                                               Rhizocarpon oreites var. chloreum
                                               Rhizocarpon oreites var. flavodispersa
                                               Rhizocarpon oreites var. gerontoides
                                               Rhizocarpon oreites var. oreites
                                               Rhizocarpon oreites var. paludosum
                                               Rhizocarpon oreites var. pulchrum
                                               Rhizocarpon oreites var. simulans
                                               Rhizocarpon oreites var. soluta
                                               Rhizocarpon oreites var. typica

Problematic Rooting (407392)
                                                   Rhizocarpon orphninum f. deroratum
                                                   Rhizocarpon orphninum f. orphninum
                                                   Rhizocarpon orphninum f. platycarpa

Problematic Rooting (407426)
                                                   Rhizocarpon riparium f. dealbata
                                                   Rhizocarpon riparium f. ochraceopruinosa
                                                   Rhizocarpon riparium f. riparium
                                                   Rhizocarpon riparium f. typica
                                               Rhizocarpon riparium subsp. riparium
                                               Rhizocarpon riparium var. brachyspora
                                               Rhizocarpon riparium var. britannica
                                               Rhizocarpon riparium var. granatina
                                               Rhizocarpon riparium var. groenlandica
                                               Rhizocarpon riparium var. helveticum
                                               Rhizocarpon riparium var. insulata
                                               Rhizocarpon riparium var. ochrocalyptra
                                               Rhizocarpon riparium var. pseudoviridis
                                               Rhizocarpon riparium var. riparium
                                               Rhizocarpon riparium var. rotundatum
                                               Rhizocarpon riparium var. savonica
                                               Rhizocarpon riparium var. subcyanodes
                                               Rhizocarpon riparium var. subgerontica
                                               Rhizocarpon riparium var. typicum
                                               Rhizocarpon riparium var. ursinum
                                               Rhizocarpon riparium var. virididispersa

Problematic Rooting (692402)
                                               Catocarpus myriocarpum var. ecrustaceum
                                               Catocarpus myriocarpum var. punctiforme

Problematic Rooting (8017)
                                     Melanospora
                                             Melanospora aculeata
                                               Melanospora aculeata var. aculeata
                                               Melanospora aculeata var. macrocarpa
                                             Melanospora affine
                                             Melanospora angulosa
                                             Melanospora anomala
                                             Melanospora antarctica
                                             Melanospora arachnophila
                                             Melanospora arenaria
                                             Melanospora argadis
                                             Melanospora asclepiadis
                                             Melanospora asparagi
                                             Melanospora asperrima
                                             Melanospora asymmetrica
                                             Melanospora aurea
                                             Melanospora barbata
                                             Melanospora betae
                                             Melanospora brevirostrata
                                             Melanospora brevirostris
                                                   [Melanospora helvellae]
                                                   [Melanospora sphaerodermoides]
                                                   [Sphaeria brevirostris]
                                                   [Strickeria brevirostris]
                                                   [Teichospora brevirostris]
                                                   [Thielavia soppittii]
                                             Melanospora bromelifoliae
                                             Melanospora camelina
                                             Melanospora caprina
                                                   [Melanospora vervecina]
                                                   [Sphaeria caprina]
                                                   [Sphaeria vervecina]
                                             Melanospora cervicula
                                             Melanospora chionea
                                                   [Sphaeria chionea]
                                               Melanospora chionea var. brachystoma
                                               Melanospora chionea var. chionea
                                               Melanospora chionea var. leucophea
                                             Melanospora chrysomalla
                                             Melanospora chrysomella
                                             Melanospora cirrhata
                                             Melanospora coemansii
                                             Melanospora collipora
                                             Melanospora coprophila
                                             Melanospora curvicola
                                             Melanospora damnosa
                                                   [Sphaeroderma damnosum]
                                             Melanospora endobiotica
                                             Melanospora epimyces
                                             Melanospora episphaeria
                                             Melanospora erythraea
                                             Melanospora exsola
                                             Melanospora fallax
                                             Melanospora fayodi
                                             Melanospora fayodii
                                             Melanospora fimbriata
                                                   [Sphaeroderma fimbriatum]
                                             Melanospora fimicola
                                             Melanospora fusispora
                                                   [Sphaeroderma fusisporum]
                                               Melanospora fusispora var. fusispora
                                               Melanospora fusispora var. parvispora
                                             Melanospora gibelliana
                                             Melanospora globosa
                                             Melanospora helleri
                                             Melanospora hulseboschii
                                             Melanospora hypomyces
                                             Melanospora interna
                                             Melanospora interne
                                             Melanospora karsteni
                                             Melanospora karstenii
                                             Melanospora kursanoviana
                                             Melanospora kurssanoviana
                                             Melanospora kurssanowiana
                                             Melanospora lagenaria
                                                   [Phaeostoma lagenaria]
                                                   [Sphaeria lagenaria]
                                               Melanospora lagenaria var. lagenaria
                                               Melanospora lagenaria var. tetraspora
                                             Melanospora leucotricha
                                             Melanospora linkii
                                             Melanospora longisetosa
                                             Melanospora lucifuga
                                             Melanospora lunulata
                                             Melanospora macrospora
                                             Melanospora macularis
                                             Melanospora mangini
                                             Melanospora manginii
                                             Melanospora marchaliana
                                             Melanospora marchicum
                                             Melanospora mattiroliana
                                             Melanospora mattiroloana
                                             Melanospora moreaui
                                             Melanospora nectrioides
                                             Melanospora octahedrica
                                             Melanospora ornata
                                             Melanospora otagensis
                                             Melanospora pampeana
                                             Melanospora papillata
                                             Melanospora parasitica
                                             Melanospora pascuensis
                                             Melanospora pegleri
                                             Melanospora phaseoli
                                             Melanospora pinitorqua
                                             Melanospora plejospora
                                             Melanospora poae
                                             Melanospora radicis-pini
                                             Melanospora rhizophila
                                             Melanospora rubi
                                             Melanospora schmidtii
                                             Melanospora setchellii
                                             Melanospora similis
                                             Melanospora simplex
                                             Melanospora singaporensis
                                             Melanospora solani
                                             Melanospora stysanophora
                                             Melanospora terrestris
                                             Melanospora tiffani
                                             Melanospora tiffanii
                                             Melanospora tiffanyae
                                             Melanospora townei
                                             Melanospora tulasnei
                                             Melanospora verrucispora
                                             Melanospora vitrea
                                                   [Sphaeronaema vitreum]
                                             Melanospora washingtonensis
                                             Melanospora wentii
                                             Melanospora zamiae
                                             Melanospora zobelii
                                                   [Sphaeria zobelii]
                                               Melanospora zobelii var. minor
                                               Melanospora zobelii var. zobelii