Leioderma

Leioderma is a genus of lichen-forming fungi in the family Pannariaceae. The genus was circumscribed by the Finnish lichenologist William Nylander in 1888. He assigned Leioderma pycnophorum as the type species.

Species
, Species Fungorum (in the Catalogue of Life) accepts nine species of Leioderma:
 * Leioderma amphibolum
 * Leioderma applanatum
 * Leioderma cherokeense
 * Leioderma duplicatum
 * Leioderma erythrocarpum }
 * Leioderma glabrum
 * Leioderma pycnophorum
 * Leioderma sorediatum
 * Leioderma spongiosum