Private Herbarium of Jason Hollinger (hb. Hollinger)
Lecidea laboriosa Müll.Arg.
Lecideaceae
Jason Hollinger (2018-05-03)
ID certainty: positive
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Jason Hollinger
14892
2016-09-09
Nastassja Noell
United States, California, Inyo County, Kearsarge Pass
36.7727 -118.3766 +-5m.
3585 meters (11759ft)
alpine granite ridge
shaded granite on ground
Rhizoplaca melanophthalma, Umbilicaria polaris
thallus lacking; apothecia in small loose clusters along microcracks; epihymenium ~bright aeruginose-black; hymenium ~50um, clear; hypothecium pale brownish, K~v; exciple with abrupt dark blue-black-brown edge, medium brownish inside K~v, innermost hyphae narrow and loose; spores 8 per ascus, oblong-ellipsoid, 8-12x3um; TLC 4-O-demethylplanaic (JPH plate 51.10 solvents B' and C on 20180501)