Plasticity in water-use efficiency (WUE) was examined in populations of Picea glauca (Moench) Voss and P. sitchensis (Bong.) Carr. and their natural hybrids from an ecocline along the Skeena Valley, ...
Q: I planted Alberta spruce trees about 10 years ago, and one looks like a white spruce at the top. Can you tell me how and why this happened?- Walter, Livingston Manor A: The dwarf Alberta spruce ...
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Picking the Right Type of Spruce Tree for Your Yard
Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...
Madroño is the quarterly publication of the California Botanical Society. Established in 1916, Madroño consists of research articles on the natural history of western American botanical organisms and ...
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