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Wild carrot, Daucus carota L.

Creator:: Fitzsimmons, Jim P., Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, and United States. Department of Agriculture
Abstract:: Published March 1993. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu
Resource Type:: Technical Report
Full Text:: carrot may be mildly Wild Carrot Daucus Carota L. J.P. Fitzsimmons and L.C. Burrill Figure 1.Note the

Wild garlic, Allium vineale L.

Creator:: Fitzsimmons, Jim P., Burrill, L. C., Washington State University. Cooperative Extension, Oregon State University. Extension Service, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Wild garlic (Allium vineale) was introduced from Europe where it was used as a food flavoring. It is found in pastures, lawns, ornamental beds, and several cultivated crops. It grows west of the Cascades from Vancouver Island south into northwest Oregon.
Resource Type:: Technical Report
Full Text:: Wild Garlic: Allium vineale L. Wild Garlic

Red sorrel, Rumex acetosella L.

Creator:: Fitzsimmons, Jim P., 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:: Red sorrel (Rumex acetosella) also is known as sheep, horse, field, mountain, and cow sorrel or sour dock. This European weed grows throughout the Pacific Northwest under various soil and climate conditions.
Resource Type:: Technical Report
Full Text:: Red Sorrel: Rumex Acetosella L. Red Sorrel

Wild carrot : Daucus carota L.

Creator:: Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, Colquhoun, Jed, Fitzsimmons, Jim P., Burrill, L. C., and Pacific Northwest Cooperative Extension
Abstract:: Wild carrot (Daucus carota), also known as Queen Anne’s lace, was introduced from Europe and is the genetic source of edible carrots. It is a problem in perennial cropping systems such as grass seed production, pasture and hay fields, and Christmas tree production. It is an especially serious threat where...
Resource Type:: Technical Report
Full Text:: Wild Carrot, Daucus carota L., PNW 447 (Oregon State University

St. Johnswort, Hypericum perforatum L.

Creator:: Fitzsimmons, Jim P., Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, and United States. Department of Agriculture
Abstract:: St. Johnswort (Hypericum perforatum), also called Klamath weed and goatweed, was introduced from Europe and was found in California about 1900. It was a major pasture weed west of the Cascade mountains from Tacoma south to central California until the successful introduction of the chrysolina beetle, a leaf-eating insect.
Resource Type:: Technical Report
Full Text:: St. Johnswort: Hypericum perforatum L. A Pacific N

Creeping buttercup, Ranunculus repens L. [1994]

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
Full Text:: Creeping Buttercup Ranunculus repens L. L.C. Burrill reeping buttercup (Ranunculus repens L.) probably is

Tansy Ragwort, Senecio jacobaea L. [1997]

Creator:: Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, Mallory-Smith, C., Burrill, L. C., Callihan, R. H. (Robert Harold), 1933-, Parker, R., Radtke, H., Pacific Northwest Cooperative Extension, and Coombs, Eric M.
Abstract:: Revised July 1997. Reprinted January 2001. 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
Full Text:: Senecio jacobaea L. E. Coombs, C.Mallory-Smith, L.C. Burrill, R.H. Calithan, R. Parker, and H. Radtke

Curly dock and broadleaf dock, Rumex crispus L. and R. obtusifolius L.

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
Full Text:: crispus L. and R. obtusifolius L. Curly Dock and Broadleaf Dock PNW 398 • Reprinted July 1999 Curly dock

The speedwells : Veronica hederaefolia L., Veronica persica Poir., Veronica filiformis Sm., Veronica peregrina L.

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
Full Text:: Speedwells S. Aldrich-Markham • Veronica hederaefolia L. • Veronica filiformis Sm. • Veronica persica Poir

Tuber oatgrass, Arrhenatherum elatius L., Presl. var. bulbosum (Willd)

Creator:: Fitzsimmons, Jim P., 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:: Tuber oatgrass (Arrhenatherum elatius var bulbosum) is native to Europe and was introduced into this country as a meadow grass. It is found throughout the Pacific Northwest but is common west of the Cascades and locally in central Washington.
Resource Type:: Technical Report
Full Text:: . Var. bulbosum (Willd). Spenner Tuber Oatgrass Arrhenatherum elatius L. Presl. Var. bulbosum (Willd

ScholarsArchive@OSU

Wild carrot, Daucus carota L.

Wild garlic, Allium vineale L.

Red sorrel, Rumex acetosella L.

Wild carrot : Daucus carota L.

St. Johnswort, Hypericum perforatum L.

Creeping buttercup, Ranunculus repens L. [1994]

Tansy Ragwort, Senecio jacobaea L. [1997]

Curly dock and broadleaf dock, Rumex crispus L. and R. obtusifolius L.

The speedwells : Veronica hederaefolia L., Veronica persica Poir., Veronica filiformis Sm., Veronica peregrina L.

Tuber oatgrass, Arrhenatherum elatius L., Presl. var. bulbosum (Willd)

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