Private Herbarium of Jason Hollinger (hb. Hollinger)
Psora luridella (Tuck.) Fink
Psoraceae
Curtis Björk (2014-01-25)
ID certainty: positive
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Jason Hollinger
4698
2013-05-31
Nastassja Noell
United States, Washington, Spokane County, Turnbull National Wildlife Refuge, mima prairie west of Stubblefield Lake
47.392 -117.5175 +-25m.
715 meters (2345ft)
open grassy prairie last grazed 17 years earlier
soil
Caloplaca variabilis group, Cladonia pyxidata, Leptochidium albociliatum, Leptogium lichenoides group
medium to mostly dark brown squamules to 3mm wide, round to slightly lobate, no pruina, some shallow cracks, flat to undulating to sometimes imbricate, cortex mostly ~70um with brown thin-walled round cells, K- C- KC- (even under LM), medulla POL+ but cortices both POL-, apothecia laminal dark brown to mostly black globose soon rimless, spores 8 per ascus simple hyaline ellipsoid smooth ~9-10x6-7um