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Betula populifolia, known as the gray (or grey) birch, is a deciduous tree in the family Betulaceae. It is native to eastern North America and is most commonly found in the northeast United States as well as southern Quebec , New Brunswick , and Nova Scotia . [ 1 ]
Aethalura punctulata, the grey birch, is a moth of the family Geometridae. The species is found in Europe and then east, as far as western Siberia and the Caucasus.This species prefers sparse alder-ash-floodplain forests on moist to wet locations. Although it is only locally distributed in Central Europe, it is usually common in these biotopes.
Betula alleghaniensis, the yellow birch, [2] golden birch, [3] or swamp birch, [4] is a large tree and an important lumber species of birch native to northeastern North America. Its vernacular names refer to the golden color of the tree's bark. [5] In the past its scientific name was Betula lutea, the yellow birch.
The Illinois List of Endangered and Threatened Species is reviewed about every five years by the Illinois Endangered Species Protection Board (ESPB). [1] To date it has evaluated only plants and animals of the US state of Illinois, not fungi, algae, or other forms of life; species that occur in Illinois which are listed as endangered or threatened by the U.S. federal government under the ...
The twigs are yellow-brown to dark-brown and are dotted with resin glands and gray lenticels. [2] They lack the hairs found on Betula papyrifera. [4] The flowers are catkins, with pollen catkins 2–4 cm long and seed catkins 1–2 cm long. The seed catkins mature to about 3–5 cm long and bear winged nutlets about 2–3 mm long. [3]
The species is the largest tree squirrel in the state. It’s being threatened by climate change, habitat loss and frequent disease outbreaks.
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 neoalaskana (syn. B. resinifera) or Alaska birch, also known as Alaska paper birch or resin birch, is a species of birch native to Alaska and northern Canada.Its range covers most of interior Alaska, and extends from the southern Brooks Range to the Chugach Range in Alaska, including the Turnagain Arm and northern half of the Kenai Peninsula, eastward from Norton Sound through the Yukon ...