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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.
Silvics of North America, an encyclopedia of characteristics for around 200 tree species native to the United States published by the United States Forest Service. Zeigerwerte der Pflanzen Mitteleuropas (German) Archived 2015-08-07 at the Wayback Machine
Betula alleghaniensis: yellow birch Betulaceae (birch family) Betula alnoides: alder-leaf birch Betulaceae (birch family) Betula austrosinensis: South China birch Betulaceae (birch family) Betula chinensis: Chinese dwarf birch Betulaceae (birch family) Betula cordifolia: mountain paper birch; heartleaf birch Betulaceae (birch family) Betula ...
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 ...
Betula species are organised into five subgenera. Birch leaves A birch-curtain in November in Ystad. Lying trunk of a birch (Betula) in total decomposition. Birches native to Eurasia include. Betula albosinensis – Chinese red birch (northern + central China) Betula alnoides – alder-leaf birch (China, Himalayas, northern Indochina)
The common hazel (Corylus avellana) and the filbert (Corylus maxima) are important orchard plants, grown for their edible nuts. The other genera include a number of popular ornamental trees , widely planted in parks and large gardens; several of the birches are particularly valued for their smooth, brightly coloured bark .
Gray birch – Betula alleghaniensis; Mahogany birch – Betula lenta; Paper birch – Betula papyrifera; Red birch – Betula nigra; River birch – Betula nigra, Betula lenta; Silver birch – Betula papyrifera; Spice birch – Betula lenta; Sweet birch – Betula lenta; Water birch – Betula nigra; Weeping birch – Betula pendula
The pine-hardwood forests are dominated by species such as white pine and yellow birch (Betula alleghaniensis), mixed with scattered red maple, a shrub layer dominated by witch-hazel (Hamamelis virginiana), and a herbaceous layer composed of a variety of herbs, mosses, and lichens.