Krieger, Schädl. Pilze Kulturgew.
K.W. Krieger [1-250]

USDA United States National Fungus Collections
Catalog #: BPI 981002
s.n.
Plasmodiophora brassicae Woronin
Germany

USDA United States National Fungus Collections
Catalog #: BPI 981299
s.n.
Sphaerotheca castagnei Lév.
Germany

USDA United States National Fungus Collections
Catalog #: BPI 605062
Krieger W. s.n. 07 October 1908
Sphaerotheca humuli (DC.) Burrill
Germany, Koenigstein

Brown University Herbarium
Catalog #: CBRU00010214
W Krieger s.n. 07 October 1908
Sphaerotheca castagnei Lév.
Germany, Konigstein; auf Wiesen