United States, Nevada, Pershing County, Humboldt Range, Black Canyon, talus high on slope on south side of road ~300 m past fork
40.5391 -118.2033 +-5m.
2131 meters (6990ft)
rhyolite talus field high on northwest-facing slope; thick desert scrub
_Grimmia_ on granite talus
thallus dark gray lumpy to almost isidiate, apothecia dirty yellow-orange, proper margin well-developed and oranger prominent smooth, thalline margin very poorly developed, algae in margin, spores 8 per ascus ~16x8um septum ~3-3.5um