This is a great resource for botanists, native plant enthusiasts, ecologists, conservationists, and amateur naturalists who desire a comprehensive, up-to-date, and well-illustrated book for the identification of plants of the Pacific Northwest. This is the definitive guide to the rich and varied ...
The Fender's blue butterfly (Icaricia icarioides fenderi [Macy]) is an endangered butterfly found across 16 surviving remnants of native upland prairie in the Willamette Valley in Oregon, USA. A member of the lycaenid group, recent research suggests that the butterfly (a) is distinct from ...
Western prairie clover is a perennial leguminous forb that occurs naturally in Idaho, Washington, Oregon, California, and Nevada. Majestic Germplasm western prairie clover originates from seed collected from indigenous plants near Sherar's Bridge in Sherman County, Oregon, whereas Spectrum Germplasm ...
Distribution:Western White Pine is native to southern British Columbia, western Washington, northern Idaho, western Montana, the Cascade Mountains of Oregon and the Sierras of California. Growth:They are fast growing when young and may grow 1½-2 feet (45-60cm) in a year. In cultivation, t...
To detect hybridization between native and exotic Rubus, we genotyped 579 individuals collected across California, Oregon and Washington with eight nuclear microsatellites and two chloroplast markers. Principal Coordinate Analysis and Bayesian clustering revealed a limited amount of hybridization of the native...
We studied the composition and structure of the understory in thinned and unthinned Douglas-fir/western hemlock stands on 32 sites in western Oregon. These... JD Bailey,JC Tappeiner - 《Forest Ecology & Management》 被引量: 527发表: 1998年 Understory vegetation in young Douglas-fir forests: ...
Livestock grazing has been found to exacerbate the effects of climate change in riparian ecosystems, leading to warmer and drier conditions in these vital habitats. In a broad study of riparian composition in eastern Oregon, Kauffman et al. (2022) found the abundance of wetland-obligate native s...
Western redcedar (Thuja plicata, also called arborvitae) is one of four tree species in Oregon and Washington that we commonly call “cedar” but are not true cedars. Other native false cedars include incense cedar (Libocedrus decurrens), Port Orford cedar (Chamaecyparis lawsoniana), and yellow...
Crater Lake National Park in Oregon was formed when a volcanic eruption at Mount Mazama triggered the collapse of a tall peak, forming the deepest lake in the United States. The crater, also known as a caldera, is 5 to 6 miles long and 3,900 feet deep, making it the seventh-deepest ...
添加示例 在上下文、翻译记忆库中将“Western Sword Fern"翻译成 法文 变形 干 匹配词 所有 精确 任何 Sought-after species such as western sword fern and Oregon grape are then sold as sustainably harvested native plants. On y recherche des espèces comme la fougère épée et le mahonia, qui...