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Turning observations into information for over ten years


Douglas-fir (Pseudotsuga menziesii): The Backbone of Pacific Forests
Coast Douglas-fir is one of the tallest tree species on Earth, commonly reaching 200–250 feet in height and 5–6 feet in diameter. Exceptional specimens, such as the Doerner Fir in Oregon, have been measured at over 320 feet. In old-growth forests, these trees often live for 500 to 1,000 years. Young trees have thin, gray bark with resin blisters, while mature specimens develop thick, corky bark that protects them from fire. The foliage features spirally arranged, yellowish-gr
Roger Erismann
Aug 2, 20254 min read


Ponderosa Pine (Pinus ponderosa): The Backbone of Western Forests
The Ponderosa Pine, Pinus ponderosa, is one of the most iconic coniferous trees of western North America and a keystone species across many forest types. This long-lived, evergreen conifer belongs to the Pinaceae family and is known for its impressive stature, fire-adapted traits, and wide ecological amplitude.
Roger Erismann
Aug 2, 20254 min read
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