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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.
A list of tree species, grouped generally by biogeographic realm and specifically by bioregions, and shade tolerance. Shade-tolerant species are species that are able to thrive in the shade, and in the presence of natural competition by other plants.
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 - Himalayan birch; Hexaploid (6n = 84). Betula dahurica - Dahurian birch; Betula delavayi - Delavay's birch
Betula alleghaniensis: yellow birch Betulaceae (birch family) 371 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 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)
Black birch – Betula lenta, Betula nigra; Bolean birch – Betula papyrifera; Canoe birch – Betula papyrifera; Cherry birch – Betula lenta; European weeping birch – Betula pendula; European white birch – Betula pendula; Gray birch – Betula alleghaniensis; Mahogany birch – Betula lenta; Paper birch – Betula papyrifera; Red birch ...
In addition, red maple (Acer rubrum), sweet birch (Betula lenta), and yellow birch (Betula alleghaniensis) are common; sugar maple (Acer saccharum) is occasional. In areas that have been recently disturbed, white pine (Pinus strobus), Virginia pine (Pinus virginiana), or tulip tree (Liriodendron tulipifera) can be abundant.
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.