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Arthonia spadicea
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Family: Arthoniaceae
[Arthonia lurida, more]  National Museum of Natural History Collections |
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 National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  André Aptroot  Royal Botanic Garden Edinburgh  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  Royal Botanic Garden Edinburgh  National Museum of Natural History Collections  André Aptroot                          |
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