Coelocaulon muricatum (Ach.) J.R. Laundon
[= Cetraria muricata]
Annotated by Bruce McCune, Feb 2003.

Washington: Asotin County: Lime Hill, northern extreme of Hell's Canyon; about 1.3 air miles eastsoutheast of the mouth of the Grande Ronde River; at the northeast base of Lime Hill, about 100 feet above the Snake River.
46.08028° N, 116.97861° W; T7N R47E S20 SW 1/4 of NE 1/4
Coordinate Source: Estimated.
Limestone outcrop; attached directly to vertical, north-facing rock surface. Associated taxa: Selaginella wallacei, Lomatium salmoniflorum, Glossopetalon spinescens, Physconia americana, Phaeophysconia spp., Physcia spp., Leptogium spp., Hypnum recurvatum, Homalothecium nevadense. Rare; forming conspicuous tufts.

Curtis R. Bjork 7129, Feb 2, 2003
WS, Accession: 361261