| Family | SAXIFRAGACEAE |
| Genus species | Micranthes apetala (Piper) Small sect. Micranthes |
| Bibliography | N. Amer. Fl. [N.L.Britton & al., eds.] 22: 135 (1905) |
| Native Range | nw. USA |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 600-2800m |
| Description | leaves ascendent, spathulate to oblong or ovate, entire, sinuate, glabrous, tapered to petiolate base, flowers in oblong or cylindrical head, petals often absent |
| Size | 10-20cm |
| 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 apetala Piper Saxifraga columbiana var. apetala (Piper) Engl. & Irmsch. Saxifraga integrifolia var. apetala (Piper) M.E.Jones |
| Territory | 7 Northern America 73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington) |