Ivesia tweedyi Rydb.
Annotated by David Giblin, 20 Apr 2007. Sources: H&C.

Washington: Kittitas County: Along Ingalls Lake Trail Number 1390 circa 1 mile north of junction with Longs Pass Trail Number 1229, and right before first switchback leading to Pass on Trail Number 1390. National Forest Teanaway River drainage.
47.177328° N, 120.834366° W,
Datum: WGS 84. Uncertainty: 5000 meters. Coordinate Source: GeoLocate.
Dry rocky outcrop, west-facing, among open subalpine conifer forest. With Lewisia columbiana, Potentilla fruticosa, Ivesia, Penstemon. Petals bright yellow, corolla = sepals, widely opening; locally common, in bunches in rock crevices. Phenology: Flowers & Fruits.

Ben Legler 3482, Jul 9, 2006
With Ryan Miller, Alan Yen, Julie Monohan
WTU, Accession: 372716