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3,591 common lichens species
Stereocaulon myriocarpum
Stereocaulon nanodes
Stereocaulon plicatile
Stereocaulon saviczii
Stereocaulon tennesseense
Sticta canariensis
Sticta sylvatica
Usnea angulata
Usnea baileyi
Usnea californica
Usnea capillaris
Usnea cirrosa
Usnea dimorpha
Usnea endochrysea
Usnea erinacea
Usnea esperantiana
Usnea evansii
Usnea fibrillosa
Usnea flammea
Usnea fragilescens
Usnea furfurosula
Usnea leucosticta
Usnea praetervisa
Usnea ramillosa
Usnea subfusca
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