Private Herbarium of Jason Hollinger (hb. Hollinger)
Caloplaca exsecuta (Nyl.) Dalla Torre & Sarnth.
Teloschistaceae
Jason Hollinger (2018-09-10)
ID certainty: positive
Nastassja Noell
4141
2018-09-02
United States, California, Fresno County, Mono Pass
37.4249 -118.7723 +-5m.
3681 meters (12074ft)
small granite alpine pass
granite
Rhizocarpon geographicum
thallus absent; apothecia ~0.2-0.4mm, substipitate, black with rusty orange pruina on disk; epihymenium ±blue with orange crystals, orange is C- K+r/v bright turning bright yellow in HCl, blue is C- K- HCl+ green; hymenium ~70-80um, clear; subhymenium brownish, ~50um; exciple blue-black near edge or with brown under blue, K- C- HCl+ green, hyphae ~thick-walled or embedded in gelatinous matrix, ~3-4um thick, intricate under hymenium to radiating near edge; thalline margin entirely absent (no algae in apothecium at all); paraphyses branched near tips, scarcely swollen near tips, ~1.5um below to ~2-2.5um above; spores 8 per ascus, narrowly ellipsoid, (13)13.2-16.0(17)x(4.5)4.7-6.3(7)um septum (2)2.5-3.7(4)um N=10, avg. 14.6x5.5um septum 3.1um