Bifusella acuminata
(Ellis & Everh.) Bonar & W.B. Cooke
WSP 25254. Lugar de coleta: EUA; Wyoming; Albany County; Medecine Bow Mountains; Tanner Lake and along Wyoming 130; University of Wyoming Summer Camp, 5 km above (alt. 3046 m). Data da coleta: 8 Agosto 1950. Organismo associado: Juncus parryi (folha, caule). Coletor: Cooke, W.B.; Cooke, V.G..