Private Herbarium of Jason Hollinger (hb. Hollinger)
Rhizocarpon cinereovirens (Müll.Arg.) Vain.
Rhizocarpaceae
Jason Hollinger (2018-03-26)
ID certainty: positive
Jason Hollinger
19903
2018-03-26
United States, Oregon, Josephine County, Siskiyou Field Station
42.279 -123.648 +-50m.
400 meters (1312ft)
open steep slope with _Pseudotsuga_-_Quercus_ forest
metamorphic rock
Aspicilia cf. aquatica
thallus ~thickish areolate, areoles convex, gray-brown ~shiny; epihymenium dark brown, K+ greenish; exciple and hypothecium dark brown, K+ bleeding yellow-orange no crystals at all; spores 8 per ascus, strongly halonate, hyaline, 1-septate, ~20x18-10um or less