Hymenium; Habitat: Festuca idahoensis steppe with dense mat of Selaginella and siliceous cobbles; Location: Bench above Madison River at Palisades Recreation Area, Madison Valley, W side of Hwy 287, 41km S of Ennis; Substrate: Rock, HCl-; Elevation: 1737 meters.
Habit; Habitat: Steep, open south slope above road; Location: Illinois River Road, outcrops and talus above road; Substrate: Rock, noncalcareous (greenstone); Elevation: 466 meters.