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Creator:: Burrill, L. C., Callihan, R. H. (Robert Harold), 1933-, Parker, Robert, 1941-, Washington State University. Cooperative Extension, and Pacific Northwest Cooperative Extension
Abstract:: Poison oak is common in western Oregon and Washington. Its near relative, poison ivy, is found in eastern Oregon and Washington, throughout Idaho, and eastward. Both plants are native to the Pacific Northwest.
Resource Type:: Technical Report

Creator:: Moore, James A., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Declared out of print May 2010. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, and Pacific Northwest Cooperative Extension
Abstract:: Curly dock (Rumex crispus L.) is a perennial. It does not have creeping roots or rhizomes (Figure 1). Leaves are oblong to nearly lanceshaped, often 12 inches or more long, with wavy (crisped) margins (Figure 2). Erect, generally unbranched stems up to 5 feet tall are produced in spring and...
Resource Type:: Technical Report

Creator:: Aldrich-Markham, Susan, Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Four speedwell species are important weeds in the Pacific Northwest: • Ivyleaf speedwell (Veronica hederaefolia L.) • Persian, birdseye, or winter speedwell (Veronica persica Poir.) • Creeping speedwell (Veronica filiformis Sm.) • Purslane speedwell (Veronica peregrina L.)
Resource Type:: Technical Report

Creator:: Schmall, Vicki L., Leno, Janice, Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: The action of a medicine may be less predictable in an older person and its intended action may be altered. Sometimes the effect is insignificant; other times it can be dramatic.
Resource Type:: Technical Report

Creator:: Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Catchweed bedstraw (Galium aparine L.), also called bedstraw or cleavers, is a native annual with weak, climbing, or twining stems, up to 6 feet long (figure 1). Whorls of six to eight narrow single-nerved leaves are attached to square stems (figure 2). Both stems and leaves have short backward-turning bristles...
Resource Type:: Technical Report

Creator:: Douglas, Clyde Lee, Wysocki, Donald John, 1952-, Zuzel, John, Rickman, R. W., Klepper, B. L., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Extensive areas of eastern Oregon, eastern Washington, and Idaho are well suited to dryland production of small grains and legumes. Commonly, over this area, winter wheat is planted in rotation with either annual legumes or summer fallow.
Resource Type:: Technical Report

Creator:: Burgett, D. M., Fisher, Glenn C., Mayer, Daniel F., Johansen, Carl A., Oregon State University. Extension Service, Pacific Northwest Cooperative Extension, United States. Department of Agriculture, University of Idaho. Cooperative Extension Service, and Washington State University. Cooperative Extension
Abstract:: Reprinted November 1993. Declared out of print July 2010. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report

Creator:: Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Western wildcucumber (Marah oreganus [T. & G.] Howell), also known as Oldman- in-the-ground, Echinocystis oregana Cogn., is a perennial with stems that regrow each spring from a huge woody root. Stems become long, and they climb with the aid of branched tendrils. Leaves are alternate, lobed, and up to 6...
Resource Type:: Technical Report

Creator:: Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Creeping buttercup (Ranunculus repens L.) probably is the most troublesome of several members of the buttercup family that are weeds in the Pacific Northwest. There are many native species of buttercup in the Pacific Northwest, but the weedy species are of European origin. It’s likely that they were introduced as...
Resource Type:: Technical Report

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