Melanotrema

Melanotrema is a genus of lichen-forming fungi in the family Graphidaceae. The genus was circumscribed by German lichenologist Andreas Frisch in 2006, with M. platystomum assigned as the type species.

Species
, Species Fungorum (in the Catalogue of Life) accepts 12 species of Melanotrema.
 * Melanotrema astrolucens
 * Melanotrema columellatum
 * Melanotrema comosum
 * Melanotrema endomelaenum
 * Melanotrema foratum
 * Melanotrema lirelliforme
 * Melanotrema lynceodes
 * Melanotrema meiospermoides
 * Melanotrema meiospermum
 * Melanotrema melanophthalmum
 * Melanotrema platystomum
 * Melanotrema submicrosporoides