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Picea sitchensis - http://www.fs.fed.us/database/feis/plants/tree/picsit/all.html
Distribution, occurrence, botanical and ecological characteristics, management considerations, and fire ecology. |
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Picea sitchensis (Sitka Spruce) - http://www.borealforest.org/world/trees/sitka_spruce.htm
Habitat information and description of physical features, including form, needles, bark, twigs, and cones. Includes image of branch with cones. |
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Picea sitchensis - http://www.plant-identification.co.uk/skye/pinaceae/picea-sitchensis.htm
Two photographs of Sitka Spruce on Skye with some identifying features. |
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Picea sitchensis (Sitka Spruce) - http://www.for.gov.bc.ca/hfd/library/documents/treebook/sitkaspruce.htm
Features photos of entire tree, leaves, cones, and bark. Discusses physical characteristics and habitat. |