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Picea sitchensis, the Sitka spruce, is a large, coniferous, evergreen tree growing to just over 100 meters (330 ft) tall, [2] with a trunk diameter at breast height that can exceed 5 m (16 ft).
The San Juan Spruce is a Sitka spruce (Picea sitchensis) tree located in the San Juan Valley of Vancouver Island, British Columbia, Canada. Until July 2016 it was the second largest known Sitka spruce tree by volume, [ 2 ] surpassed only by the Queets Spruce in Washington , United States .
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 ...
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Pissodes strobi, known as the white pine weevil or Engelmann spruce weevil, is the primary weevil attacking and destroying white pines. It was described in 1817 by William Dandridge Peck , professor of natural history and botany at Harvard University .
The Olympic rainforest of Washington supports dense stands of western hemlock, western red cedar, Sitka spruce, and Pacific silver and grand firs. Douglas fir is concentrated in Washington and Oregon. Alaska's predominate species is the western hemlock and Sitka spruce.
The plain may support fresh water wetlands or Sitka Spruce forests following uplift events and salt marsh or inundated shellfish beds following subsidence events. At the present lagoon level, the sand bar normally separates the lagoon from the ocean during summer months.
Stumps of trees at the Neskowin Ghost Forest. The Neskowin Ghost Forest is the remnants of a Sitka spruce forest on the Oregon Coast of the United States. The stumps were likely created when an earthquake of the Cascadia subduction zone abruptly lowered the trees, that were then covered by mud from landslides or debris from a tsunami. [1]