Rhodoarrhenia

Rhodoarrhenia is a genus of fungi in the family Bolbitiaceae. Most species of the genus Rhodoarrhenia have a tropical or subtropical distribution. The genus was circumscribed by mycologist Rolf Singer in 1963. He made R. pezizoidea the type species; in its taxonomic history, this fungus had been placed in the genera Merulius, Campanella, Rimbachia, and Arrhenia by various authors.