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41 rocktripes, toadskin lichens, and allies species
Umbilicaria havaasii
Umbilicaria polaris
Umbilicaria cinereorufescens
Umbilicaria leiocarpa
Umbilicaria lambii
Umbilicaria crustulosa
Umbilicaria aprina
Lasallia pustulata
Fulgidea oligospora
Fulgidea sierrae
Umbilicaria nodulospora
Umbilicaria semitensis
Xylopsora caradocensis
Umbilicaria grisea
Umbilicaria spodochroa
Umbilicaria nylanderiana
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