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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 alleghaniensis, forest emblem of Quebec, [6] Canada. Betula alleghaniensis is a medium-sized, typically single-stemmed, deciduous tree reaching 60–80 feet (18–24 m) tall (exceptionally to 100 ft (30 m)) [2] [7] with a trunk typically 2–3 ft (0.61–0.91 m) in diameter, making it the largest North American species of birch.
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 Himalayan birch; Betula utilis ...
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.
Paper birch grows best in USDA zones 2–6, [10] due to its intolerance of high temperatures. Betula nigra, or river birch, is recommended for warm-climate areas warmer than zone 6, where paper birch is rarely successful. [24] B. papyrifera is more resistant to the bronze birch borer than Betula pendula, which is similarly planted as a ...
Betula occidentalis, the water birch or red birch, is a species of birch native to western North America, in Canada from Yukon east to Northwestern Ontario and southwards, and in the United States from eastern Washington east to western North Dakota, [citation needed] and south to eastern California, northern Arizona and northern New Mexico, and southwestern Alaska.
Betula lenta is a medium-sized deciduous tree reaching 30 metres (98 ft) tall, exceptionally to 35 m (115 ft) [2] with a trunk up to 60 cm (2 ft) diameter. Heights of 15 m (50 ft) to 24 m (80 ft) are more typical.
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