Acarospora scotica
Acarospora scyphulifera
Acarospora sernanderi
Acarospora silesiaca
Acarospora sinopica
Acarospora smaragdula
Acarospora smaragdula subsp. lesdainii
Acarospora smaragdula subsp. smaragdula v. fusca
Acarospora smaragdula v. lesdainii
Acarospora smaragdula v. lesdainii f. fulvoviridula
Acarospora smaragdula v. murina
Acarospora smaragdula v. rhagadiza
Acarospora smaragdula v. rufescens
Acarospora smaragdula v. verruciformis
Acarospora socialis
Acarospora sordida
Acarospora sparsa
Acarospora sphaerospora
Acarospora squamulosa
Acarospora stapfiana
Acarospora strigata
Acarospora subfuscescens
Acarospora subfuscescens v. sordida
Acarospora subrufula
Acarospora subrufula f. athallina
Acarospora succedens
Acarospora superfusa
Acarospora suzai v. tyroliensis
Acarospora tenebrica
Acarospora terricola
Acarospora tersa
Acarospora thamnina
Acarospora thelococcoides
Acarospora theobromina
Acarospora thermophila
Acarospora tongleti
Acarospora tongletii
Acarospora tongletii v. paupera
Acarospora tromsoeensis
Acarospora tucsonensis
Acarospora tyroliensis
Acarospora umbilicata
Acarospora umensis
Acarospora undata
Acarospora utahensis
Acarospora veronensis
Acarospora veronensis v. fuscata
Acarospora verruciformis
Acarospora versicolor
Acarospora versipellis
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