| Family | BETULACEAE |
| Genus species | Betula pumila L. |
| Bibliography | Mant. Pl. 1: 124 (1767) |
| Native Range | Subarctic America to n. & w. USA |
| Primary Biome | Temperate |
| Habitat | thickets |
| Description | young branchlets tomentose or pubescent, leaves orbiculate, ovate or obovate, acute, serrate, on both faces pubescent, abaxially light grey |
| Size | 1-3m |
| Color | |
| Bloom | spring |
| Ca | |
| Type | shrub |
| Cultivation | mesic, slightly humous, semi-shady site alpine house, moist, rich, drained soil, semi-shade |
| Propagation | seed in winter, germ. 3-12 months, 13-16°C grafting in early spring |
| Synonyms | Betula borealis Spach Betula glandulifera (Regel) E.J.Butler Betula glandulosa var. glandulifera (Regel) Gleason Betula glandulosa var. hallii (Howell) C.L.Hitchc. Betula grayi Regel Betula hallii Howell Betula nana var. glandulifera (Regel) B.Boivin Betula nana var. renifolia (Fernald) B.Boivin Betula neoborealis Lepage Betula obovata E.J.Butler Betula pulchella Dippell Betula pumila var. fastigiata Rehder Betula pumila var. glabra Regel Betula pumila var. glabrescens Regel Betula pumila f. glabrescens (Regel) Regel Betula pumila ssp. glandulifera (Regel) Á.Löve & D.Löve Betula pumila var. glandulifera Regel Betula pumila f. glandulifera (Regel) H.J.P.Winkl. Betula pumila f. hallii (Howell) Brayshaw Betula pumila var. latipes H.J.P.Winkl. Betula pumila f. latipes (H.J.P.Winkl.) Lepage Betula pumila f. pubescens H.J.P.Winkl. Betula pumila var. renifolia Fernald Betula pumila var. setarioides H.J.P.Winkl. Betula pumila f. subcycla Lepage Betula pumila var. typica Regel Betula quebeccensis Burgsd. Chamaebetula pumila (L.) Opiz |
| Territory | 7 Northern America 70 Subarctic America (ASK Alaska, NUN Nunavut, NWT Northwest Territories, YUK Yukon) 71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan) 72 Eastern Canada (LAB Labrador, NBR New Brunswick, NFL Newfoundland, NSC Nova Scotia, ONT Ontario, PEI Prince Edward I., QUE Québec) 73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming) 74 North-Central U.S.A. (ILL Illinois, IOW Iowa, KAN Kansas, MIN Minnesota, NDA North Dakota, NEB Nebraska, SDA South Dakota, WIS Wisconsin) 75 Northeastern U.S.A. (CNT Connecticut, INI Indiana, MAI Maine, MAS Masachusettes, MIC Michigan, NWJ New Jersey, NWY New York, OHI Ohio, PEN Pennsylvania) 76 Southwestern U.S.A. (CAL California) |