Current name: Psathyrella hirta Peck, Annual Report on the New York State Museum of Natural History 50: 107 (1897) [MB#182505] Taxonomic synonyms: - Psathyra coprobia J.E. Lange ex J.E. Lange, Flora Agaricina Danica 4: 93 (1939) [MB#261888] - Psathyrella coprobia (J.E. Lange) A.H. Sm., Contributions from the University of Michigan Herbarium 5: 44 (1941) [MB#290030] - Drosophila coprobia (J.E. Lange) Kühner & Romagn., Flore Analytique des Champignons Supérieurs: 355 (1953) [MB#296980] - Psathyra semivestita var. coprobia J.E. Lange, Dansk botanisk Arkiv 9 (1): 7 (1936) [MB#116839]