Clematis columbiana (Nutt.) Torr. & A. Gray

Idaho: Valley County: Frank Church-River of No Return Wilderness; N face of ridge between the first major confluence of the upper Pioneer Creek drainage, near the summit and among steep rocky cliffs. Elev. 2017 m.
45.06642° N, 114.85323° W
Datum: NAD 27. Uncertainty: 19 meters. Coordinate Source: GPS reading.
Moist corridor below rock faces, sheltered from the sun by towering cliffs and surviving Doug firs. Rich, loamy soil, very finely textured. Region seemed to evade the wrath of the 2006 fire, as seen by stand of unburned Doug fir's and various species of moss and lichen clinging to the rock wall as well as amongst the soil surface. Very steep slope. Associates: Calamagrostis rubescens matting understory, Ribes spp., Physocarpus malvaceus, and Arnica cordifolia. Rock clematis. Abundant; flowers pale purple. Phenology: Flowers.

Crista O'Conner 168, Jul 5, 2011
ID, Accession: 170699, Barcode: ID175979