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Coleogyne ramosissima Torr. (blackbrush) and Atriplex confertifolia [Torr. & Frem.] Wats. (shadscale) are cold desert shrubs from different families. Despite very different life histories they often grow in close geographic proximity in the Great Basin and the Colorado Plateau between 800 and 2000m elevation. The purpose of this study is to compare the ecophysiology of slow growing and reproducing...
In a common garden study, seedlings of Pseudotsuga menziesii (Douglas-fir) var. menziesii (coastal) from Lacomb, Oregon and P. menzeisii var. glauca (interior) from Clearwater National Forest, Idaho, and their F 2 hybrids were grown in nursery beds in the coastal climate near Corvallis, OR. The coastal variety was from an elevation of 245m with a mean annual rainfall of 1400mm. The interior...
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