in Sheard & Mayrhofer (2002: 652).

Synonyms: Index Fungorum

Protolog: Data lacking.

Type locality: USA, California, Siskiyou County, road to Etna Summit, 2.5 mi (4.8 km) SW of Etna city limits, 1100 m a.s.l., 19 August 1989, B. Ryan 24832a, with R. exigua (ASU - holotype).