Rhizocarpon cinereovirens (Müll.Arg.) Vain.

• Region

  North America

• Country

  United States of America

• State/Province

  Oregon

• County/Municipio

  Josephine Co.

• Locality

  Siskiyou Field Station

• Elevation

  Alt. 423 m. (1388 ft.)

• Coordinates

  42.281, -123.649

• Distribution

  Map all specimens of this taxon

Herbarium of the New York Botanical Garden (NY)
Lichens of Oregon, USA
Rhizocarpon cinereovirens (Müll. Arg.) Vainio
USA. OREGON. JOSEPHINE CO. Siskiyou Field Station - 42.2810° N
123.6486° W 423 m -Pseudotsuga-Quercus forest on short steep slope
above creek] - on serpentinite on ground.
Jason Hollinger #19886
NEW YORK BOTANICAL GARDEN
04686788
26 March 2018
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Rhizocarpon cinereovirens (Mull. Arg.) Vainio	Hollinger 19886
det by Jason Hollinger, 2021
thallus: areolate
areoles: thin, convex, shiny, ±round, grayish to brownish
medulla: I-
apothecia: to ±0.8 mm, black, adnate to sessile
rim: thick, persistent, shiny, smooth, weakly raised
epihymenium: ±blackish, POL+ inside, K+ ±greenish and bleeding yellow
hymenium: ±120 jmm, clear
hypothecium: red-brown, POL-
exciple: dark brown outside to brown inside, POL+ inside clearing 100% in K, K+
bleeding yellow finally turning ±orangish but no crystals
spores: 8 per ascus, 1-2-septate, hyaline to dark when overmature, becoming
constricted at septum, ±18-20 * 7-11 Jim, strongly halonate esp. inK
04686788