Xerotrema is a genus of two species of lichen in the family Odontotremataceae.[1] The genus was circumscribed by Martha Allen Sherwood and Brian John Coppins in 1980.[2] The type species, Xerotrema megalospora, is found in the United States and Canada.[3] X. quercicola was added to the genus in 2008.[4]
Xerotrema is a genus of two species of lichen in the family Odontotremataceae. The genus was circumscribed by Martha Allen Sherwood and Brian John Coppins in 1980. The type species, Xerotrema megalospora, is found in the United States and Canada. X. quercicola was added to the genus in 2008.