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Betula fruticosa, commonly known as dwarf bog birch, [1] (traditional Chinese: 柴樺; simplified Chinese: 柴桦; pinyin: chái huà) is a species of dwarf birch that grows in central and eastern Europe (except for Finland where it grows rare) and Siberia and Mongolia [2] on elevation of 600–1,100 metres (2,000–3,600 ft) in forests, streambanks, and swamps.
Betula nigra, the black birch, river birch or water birch, is a species of birch native to the Eastern United States from New Hampshire west to southern Minnesota, and south to northern Florida and west to Texas. It is one of the few heat-tolerant birches in a family of mostly cold-weather trees which do not thrive in USDA Zone 6 and up.
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.
Betula costata - Korean birch [1] Betula nigra - River birch or black birch; Betula potaninii - Potanin's birch; Tetraploid (4n = 56). Betula albosinensis - Chinese red birch Betula albosinensis var. septentrionalis - North Chinese red birch; Betula ermanii - Erman's birch; Betula jacquemontii (B. utilis subsp. jacquemontii) - White-barked ...
In northern Greenland, the ground is covered with a carpet of mosses and low-lying shrubs such as dwarf willows and crowberries. Flowering plants in the north include yellow poppy, Pedicularis, and Pyrola. [2] [3] Plant life in southern Greenland is more abundant, and certain plants, such as the dwarf birch and willow, may grow several feet high.
Betula glandulosa, taken at Chepeta Lake, Uintah, Utah.. This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, [3] and locally south to northern New York in the east.
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It is a monoecious, deciduous shrub growing up to 1–1.2 metres (3 ft 3 in – 3 ft 11 in) high. The bark is non-peeling and shiny red-copper colored. [3] The leaves are rounded, 6–20 millimetres (0.24–0.79 in) diameter, with a bluntly toothed margin.