Diadema Shoemaker & C.E. Babc., Can. J. Bot. 67(5): 1349 (1989).

MycoBank number: MB 25293; Index Fungorum number: IF 25293; Facesoffungi number: FoF 08208; 8 morphological species (Species Fungorum 2020), molecular data unavailable.

Type speciesDiadema tetramerum Shoemaker & C.E. Babc.

NotesDiadema typified by Diadema tetramerum, was introduced by Shoemaker & Babcock (1989) which assigned to Diademaceae. Most members of this genus are known from culms or stems of Poaceae or Rosaceae (Shoemaker & Babcock 1989b).