Private Herbarium of Jason Hollinger (hb. Hollinger)
Acarospora rosulata (Th. Fr.) H. Magn.
Acarosporaceae
Jason Hollinger (2016-10-11)
ID certainty: positive
Jason Hollinger
15656
2016-10-11
Nastassja Noell
United States, Nevada, Washoe County, Mount Rose, summit
39.3432 -119.9163 +-5m.
3273 meters (10735ft)
alpine peak
basalt
Rhizoplaca melanophthalma, Umbilicaria polaris
thallus subeffigurate; areoles strongly convex, shiny, red-brown, smooth; cortex ~100um thick with 5-25um epinecral layer, paraplect at top with globose cells ~3-5um, lower part grading into vertically arranged prosoplectenchyma, C+r in section but weak; algae barely interrupted by bundles only a few hyphae wide