Private Herbarium of Jason Hollinger (hb. Hollinger)
Physcia biziana (A. Massal.) Zahlbr.
Physciaceae
Jason Hollinger (2018-12-08)
ID certainty: positive
Nastassja Noell
2524
2016-05-09
Jason Hollinger
United States, Nevada, Lincoln County, Delamar Range, ca. 0.25-0.5 mi. S of Hwy. 93 at Oak Springs Summit
37.583 -114.684 +-50m.
1890 meters (6199ft)
open pinyon-juniper woodland with subdominant _Purshia tridentata_ with gravelly rhyolite soil
_Purshia tridentata_, decorticate branches
thallus white, rosette, very bumpy towards interior of rosette (galls?); lobes strongly convex, tips up to 1mm or more; apothecia initials seen; upperside K+y, patchy epinecral layer to dusty pruinose near some tips; medulla somewhat thick, K-; lowerside pale; rhizines pale