| Family | SAXIFRAGACEAE |
| Genus species | Micranthes howellii (Greene) Small sect. Dermasea |
| Bibliography | N. Amer. Fl. [N.L.Britton & al., eds.] 22: 140 (1905) |
| Native Range | Oregon to California |
| Primary Biome | Temperate |
| Habitat | rocks |
| Altitude | 0-900m |
| Description | leaves 2-6cm, petiolate, oblong to ovate, coarsely dentate, inflorescence 5-20cm, open or dense, 5-15-flowered, sepals revolute, elliptic to ovate, petals 2-5mm long, obovate |
| Size | 10-25cm |
| Color | white |
| Bloom | 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 howellii Greene |
| Territory | 7 Northern America 73 Northwestern U.S.A. (ORE Oregon) 76 Southwestern U.S.A. (CAL California) |