Private Herbarium of Jason Hollinger (hb. Hollinger)
Xanthoparmelia mexicana (Gyelnik) Hale
Parmeliaceae
Jason Hollinger (2017-04-10)
ID certainty: uncertain
Jason Hollinger
16248
2017-04-10
United States, Nevada, Lincoln County, Mormon Mountains, ca. 4 km due W of Mormon Peak
36.972 -114.546 +-50m.
1250 meters (4100ft)
small gully in headwaters of Mojave wash below tall mudstone cliffs with _Ephedra viridis_, _Psorothamnus_, _Opuntia_, _Yucca schidigera_ and scattered _Pinus monophylla_
mudstone
thallus maculate, ~reticulate, pale below, isidia globular, fertile!; medulla K+y pale turning slowly brick-red on outer edge UV- KUV- P+y turning strong pure orange