Genus
Rhizomarasmius
Rhizomarasmius undatus. Photo: (c) Warren Cardimona, some rights reserved (CC BY-NC)
Rhizomarasmius is a genus of fungi in the family Physalacriaceae. There are several species in the genus, the best-known ones being R. pyrrhocephalus, R. undatus, and R. epidrydas.