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Picea glauca (Moench) Voss., the white spruce, [4] is a species of spruce native to the northern temperate and boreal forests in Canada and United States, North America.. Picea glauca is native from central Alaska all through the east, across western and southern/central Canada to the Avalon Peninsula in Newfoundland, Quebec, Ontario and south to Montana, North Dakota, Minnesota, Wisconsin ...
Picea engelmannii, with the common names Engelmann spruce, [3] white spruce, [3] mountain spruce, [3] and silver spruce, [3] is a species of spruce native to western North America. Highly prized for producing distinctive tone wood for acoustic guitars and other instruments, it is mostly a high-elevation mountain tree but also appears in watered ...
Species classification of seedlots collected in areas where hybridization of white and Sitka spruces has been reported has depended on (i) easily measured cone scale characters of seed trees, especially free scale length, (ii) visual judgements of morphological characters, e.g., growth rhythm, shoot and root weight, and needle serration, or ...
White spruce is a common name for several species of spruce and may refer to: White spruce cones. Picea glauca, native to most of Canada and Alaska with limited populations in the northeastern United States; Picea engelmannii, native to the Rocky Mountains and Cascade Mountains of the United States and Canada
A mature female big-cone pine (Pinus coulteri) cone, the heaviest pine cone A young female cone on a Norway spruce (Picea abies) Immature male cones of Swiss pine (Pinus cembra) A conifer cone, or in formal botanical usage a strobilus, pl.: strobili, is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads.
A presentation at the North American Forest Tree Nursery Soils Workshop at Syracuse in 1980 provided strong contrary evidence: Bob Eastman, President of the Western Maine Forest Nursery Co. stated that for 15 years he has been successful in avoiding winter "burn" to Norway spruce and white spruce in his nursery operation by fertilizing with 50 ...
The seed cones closely resemble those of the Sitka spruce but are smaller and with the rounded tops of white spruce cones. [ 6 ] Between 1987 and 2000 the largest known epidemic of spruce bark beetle ( Dendroctonus rufipennis ) caused the death of 90% of white, Sitka, and hybrid Lutz spruce, almost all of the mature spruce trees, in a 3.2 ...
Picea abies, the Norway spruce [2] or European spruce, [3] is a species of spruce native to Northern, Central and Eastern Europe. [ 4 ] It has branchlets that typically hang downwards, and the largest cones of any spruce , 9–17 cm long.