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Arthonia polymorpha
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Family: Arthoniaceae
 National Museum of Natural History Collections |
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 Andrew K.  Andrew K.  Andrew K.  André Aptroot  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  Andrew K.  Andrew K.  Andrew K.  André Aptroot  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections                                   |
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