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Arthonia willeyi
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Family: Arthoniaceae
 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  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  National Museum of Natural History Collections  |
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