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Picea mariana, the black spruce, is a North American species of spruce tree in the pine family. It is widespread across Canada, found in all 10 provinces and all 3 territories. It is the official tree of the province of Newfoundland and Labrador and is that province's most numerous tree. The range of the black spruce extends into northern parts ...
The open forest in this transition zone is characterized by widely scattered, stunted stands of black spruce (Picea mariana) and tamarack (Larix laricina), with some white spruce (Picea glauca). The ecoregion lies over the northwestern extent of the Canadian Shield. [1] [2] [3] [4]
The dominant trees of the taiga are black spruce (Picea mariana) and tamarack (Larix laricina), mixed with smaller numbers of white spruce (Picea glauca), dwarf birches, willows, laurels, and rhododendrons. The boglands are a habitat of sedges and sphagnum moss.
Bunchgrass (BG) The Bunchgrass zone is the warmer of the two biogeoclimatic zones in British Columbia which lack trees. It is most commonly found in deeply incised valleys east of the Coast Mountains and within their rain shadow. Drought, not cold as in the Alpine Tundra (AT), minimizes forest or woodland development.
Pukaskwa National Park in Ontario.. These hills support a large area of rich taiga forest dominated by black spruce (Picea mariana) along with jack pine and some paper birch (Betula papyrifera) and in the warmer south-facing areas some trembling aspen (Populus tremuloides), white spruce (Picea glauca), Ontario balsam poplar (Populus balsamifera) and balsam fir (Abies balsamea).
Synonyms. Veitchia Lindley. A spruce is a tree of the genus Picea (/ paɪˈsiː.ə / py-SEE-ə), [1] a genus of about 40 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Earth. Picea is the sole genus in the subfamily Piceoideae.
Instances of the krummholz form of black spruce, Picea mariana, are found in the northern Canadian boreal forests. [8] Krummholz-form black spruce and balsam fir are abundant in the alpine transition zone of the White Mountains of Maine and New Hampshire and of the same zone in the Green Mountains of Vermont. [6]
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