| Family | SAXIFRAGACEAE |
| Genus species | Micranthes idahoensis (Piper) Brouillet & Gornall sect. Dermasea |
| Bibliography | J. Bot. Res. Inst. Texas 1: 1020 (2007) |
| Native Range | nw. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 500-2500m |
| Description | leaves petiolate, ovate to elliptic, carnose, at base attenuate, shallowly serrate, sparsely ciliate, abaxially hirsute, adaxially glabrous, flowers numerous in lax thyrsus |
| Size | 10-40cm |
| Color | white |
| Bloom | spring, early summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 16-21°C division after flowering; cuttings in late summer |
| Synonyms | Saxifraga idahoensis Piper, Bull. Torrey Bot. Club 27: 394 (1900) Saxifraga marshallii var. idahoensis (Piper) Engl. & Irmsch. Saxifraga marshallii ssp. idahoensis (Piper) D.L.Krause & Beamish Saxifraga occidentalis var. idahoensis (Piper) C.L.Hitchc. |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington) |