Psathyrella rugoproxima (C. S. Parker) A. H. Sm. 1972

type specimen repository

• iDigBio type specimen records: (BPI) - United States National Fungus Collections {http://ars.usda.gov/ba/psi/smml}
• iDigBio type specimen records: (MICH) - University of Michigan Herbarium {http://herbarium.lsa.umich.edu/}