Private Herbarium of Jason Hollinger (hb. Hollinger)
Acarospora nevadensis H. Magn.
Acarosporaceae
Kerry Knudsen (2017-00-00)
ID certainty: positive
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Jason Hollinger
16963
2017-04-24
Nastassja Noell
United States, Nevada, Lincoln County, Mormon Mountains, ca. 7 km NNE of Mormon Peak
37.02 -114.462 +-50m.
1550 meters (5084ft)
steep rocky slope at foot of N-facing limestone cliff with _Juniperus osteosperma_, _Pinus occidentalis_, _Fraxinus anomalus_, _Purshia tridentata_, _Artemisia tridentata_
siliceous talus
areoles scattered to contiguous, strongly white-pruinose, convex, weakly to not cracked, ~round to angular where contiguous; cortex ~30um, epicortex ~20-25um, POL+ weak, C+r in section in upper part, cells ~4-5um irregularly distributed; algae cont. and even or with small hyphal bundles, sparse below hymenium; hymenium ~120um, I+b-r fast; subhymenium ~25um, I+b; parathecium thin below to as much as 25um at top but no crown; paraphyses ~1.5-2um below; spores many, subglobose, ~3x2.5um