| Family | SAXIFRAGACEAE |
| Genus species | Micranthes fragosa (Suksd. ex Small) Small sect. Micranthes |
| Bibliography | N. Amer. Fl. [N.L.Britton & al., eds.] 22: 137 (1905) |
| Native Range | nw. USA |
| Primary Biome | Temperate |
| Habitat | scree |
| Altitude | 100-2600m |
| Description | leaves petiolate, broadly ovate to deltate, 4-8cm, carnose, at base attenuate, entire, ciliate, subglabrous, flowers numerous in lax, conical thyrsus, petals 2-3mm long |
| Size | 20-50cm |
| Color | white |
| Bloom | spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | gravelly, humous, moist, sunny site alpine house, moist, humous, gravelly soil, sun |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 16-21°C division after flowering; cuttings in late summer |
| Synonyms | Micranthes claytoniifolia Small Saxifraga claytoniifolia Canby ex Small Saxifraga fragosa Suksd. ex Small Saxifraga fragosa f. claytoniifolia (Canby ex Small) Engl. & Irmsch. Saxifraga fragosa ssp. claytoniifolia (Canby ex Small) Bacig. Saxifraga fragosa f. typica Engl. & Irmsch. Saxifraga integrifolia var. claytoniifolia (Canby ex Small) Rosend. Saxifraga integrifolia var. fragosa (Suksd. ex Small) Rosend. Saxifraga nidifica var. claytoniifolia (Canby ex Small) Elvander |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, ORE Oregon, WAS Washington) |