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Betula pumila (dwarf birch [2] or bog birch [3]) is a deciduous shrub native to North America. Bog birch occurs over a vast area of northern North America, from Yukon in the west to New England in the east and all the way to Washington and Oregon, inhabiting swamps and riparian zones in the boreal forests.
Bog birch. There are at least 10 members of the birch, alder, and oak order, ... Betula papyrifera, paper birch; Betula pumila, bog birch; Betula × sargentii, ...
Betula glandulosa (B. nana subsp. glandulosa) - American dwarf birch; Betula nana - Dwarf birch; Tetraploid (4n = 56). Betula minor - Quebec dwarf birch; Betula pumila - Swamp birch; chromosome number not reported. Betula fruticosa-Betula gmelinii-Betula hallii - Cascades dwarf birch; Betula humilis - Arctic dwarf birch; Betula michauxii ...
N Betula populifolia — grey birch, fire birch, old field birch, poverty birch X Betula pubescens — downy birch , European white birch N Betula pumila — dwarf birch , bog birch, swamp birch
Betula lenta — sweet birch; Betula minor — dwarf white birch; Betula nana — dwarf swamp birch; Betula neoalaskana — Alaska paper birch; Betula occidentalis — spring birch; Betula papyrifera — paper birch; Betula populifolia — grey birch; Betula pumila — swamp birch; Betula x caerulea; Betula x dutillyi; Betula x eastwoodiae ...
A birch is a thin-leaved deciduous hardwood tree of the genus Betula (/ ˈ b ɛ tj ʊ l ə /), [2] in the family Betulaceae, which also includes alders, hazels, and hornbeams.It is closely related to the beech-oak family Fagaceae.
The Betulaceae are believed to have originated at the end of the Cretaceous period (about 70 million years ago) in central China.This region at the time would have had a Mediterranean climate due to the proximity of the Tethys Sea, which covered parts of present-day Tibet and Xinjiang into the early Tertiary period.
There are a vast number of shrubs associated with Tamarack due to their range, some of the common ones are dwarf and swamp birch (Betula glandulosa and Betula pumila), willows (Salix spp.), speckled alder (Alnus rugosa), and red-osier dogwood (Cornus stolonifera) bog Labrador tea (Ledum groenlandicum), bog-rosemary (Andromeda glaucophylla ...