Private Herbarium of Jason Hollinger
(hb. Hollinger)
Taxon: Lecidea plana (J. Lahm) Nyl.
Family: Lecideaceae
Determiner: Jason Hollinger (2018-05-03)
ID Remarks: ID certainty: positive
Show Determination History
Collector: Jason Hollinger   15022   
Date: 2016-09-17
Locality: United States, California, Siskiyou County, Mount Shasta, gentle slope ca. 250 m S of summit
41.4075  -122.1945 +-25m.
Elevation: 4250 meters (13940ft)
Habitat: gentle S-facing alpine scree slope with scattered andesite and dacite blocks and outcrops
Substrate: volcanic rock
Notes: thallus lacking; apothecia scattered, small, ~flat, prominent thin shiny rims; epihymenium bright aeruginose-black; hymenium ~40um, aeruginose, clear; hypothecium hyaline, grayish from some weakly POL+ substance; exciple dark blue-black outside to faint brownish inside, K- but producing tons of tiny bubbles; spores 8 per ascus, ellipsoid to narrowly ellipsoid, ~8-12x3.5-4.5um; TLC 4-O-demethylplanaic (JPH plate 48.13 solvents B' and C on 20180501)
Specimen Images
Record ID: acce6ec8-a647-47e6-89b9-0192dc514e59
For additional information on this specimen, please contact: Jason Hollinger (
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