| Family | SAXIFRAGACEAE |
| Genus species | Micranthes aestivalis (Fisch. & C.A.Mey.) Small sect. Calthophyllum |
| Bibliography | N. Amer. Fl. [N.L.Britton & al., eds.] 22: 147 (1905) |
| Native Range | e. Europe to Kuril Islands |
| Primary Biome | Subalpine or Subarctic |
| Habitat | shady rocks |
| Description | leaf suborbiculate or reniform, 2-5cm, coarsely, sparsely dentate, subglabrous, long petiolate, scapes erect, sparsely pubescent, flowers in open corymb, petals 3-5mm |
| Size | 10-25cm |
| Color | white |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | shady, humous, rock crevices alpine house, humous, gravelly soil, shade |
| Propagation | seed in winter, barely covered, germ. 1-3 months, 16-21°C division after flowering; cuttings in late summer |
| Synonyms | Micranthes nelsoniana ssp. aestivalis (Fisch. & C.A.Mey.) Elven & D.F.Murray Micranthes nelsoniana var. aestivalis (Fisch. & C.A.Mey.) Gornall & H.Ohba Saxifraga aestivalis Fisch. & C.A.Mey. Saxifraga nelsoniana var. aestivalis (Fisch. & C.A.Mey.) H.Ohba Saxifraga nelsoniana ssp. aestivalis (Fisch. & C.A.Mey.) D.A.Webb |
| Territory | 1 Europe 14 Eastern Europe (RUE East European Russia, RUN North European Russia) 3 Asia-Temperate 30 Siberia (ALT Altay, BRY Buryatiya, CTA Chita, IRK Irkutsk, KRA Krasnoyarsk, TVA Tuva, WSB West Siberia, YAK Yakutskiya) 31 Russian Far East (KUR Kuril Is., PRM Primorye) 37 Mongolia |