Name requested: Umbilicaria hirsutaLichenologist 1 (1): 39. Lichens of North America null: 697, 698, 699. Mycotaxon 48: 259. 58: 223. 100: 237.
Homotypic synonym: Gyrophora hirsutaAnnales Mycologici 30 (5-6): 446. Lichenologist 1 (1): 39, 39.
Homotypic synonym: Lichen hirsutusLichenologist 1 (1): 39.