Index Catalog // ScholarsArchive@OSU

Orchardgrass (Dactylis glomerata L.)

Creator:: Hannaway, D. B., Fransen, Steve, Cropper, James B., Teel, Merle, Chaney, Marty, Griggs, Tom, Halse, Richard R., Hart, John, Cheeke, Peter R., Hansen, Donald, Klinger, Robert G., Lane, Woody, 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:: Orchardgrass (Dactylis glomerata L.) is native to western and central Europe, but has been grown in North America for more than 200 years. In the 1830s, settlers in western Virginia recognized the forage value of shade tolerant D. glomerata plants growing in an orchard.
Resource Type:: Technical Report
Full Text:: (Dactylis glomerata L.) D. Hannaway, S. Fransen, J. Cropper, M. Teel, M. Chaney, T. Griggs, R. Halse, J

Perennial ryegrass (Lolium perenne L.)

Creator:: Hannaway, D. B., Fransen, S., Cropper, James B., Teel, M., Chaney, M., Griggs, T. D., Halse, Richard R., Hart, John M. (John Mervyn), 1947-, Cheeke, Peter R., Hansen, D. E. (Donald E.), Klinger, R., Lane, W., Washington State University. Cooperative Extension, Oregon State University. Extension Service, University of Idaho. Cooperative Extension Service, and Pacific Northwest Cooperative Extension
Abstract:: Perennial ryegrass (Lolium perenne L.), also called English ryegrass, is a cool-season perennial bunchgrass native to Europe, temperate Asia, and North Africa. It is widely distributed throughout the world, including North and South America, Europe, New Zealand, and Australia.
Resource Type:: Technical Report
Full Text:: 1999 Perennial Ryegrass (Lolium perenne L.) D. Hannaway, S. Fransen, J. Cropper, M. Teel, M. Chaney, T

Bulbous bluegrass, Poa bulbosa L.

Creator:: Locke, Kerry A., Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension
Abstract:: Bulbous bluegrass is another example of an introduced European plant that escaped to become weedy. The first reports of its growth in the United States were experimental plantings at Arlington, Virginia, in 1907, and one at Pullman, Washington, at about the same time. It was produced commercially in southern Oregon...
Resource Type:: Technical Report
Full Text:: Bulbous Bluegrass: Poa bulbosa L. K. Locke

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

Common groundsel, Senecio vulgaris 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:: Common groundsel, native to Europe, is now common throughout the temperate regions of the world. It is widespread in Oregon, Washington, and Idaho, but most common west of the Cascade Mountains. This weed is found in many crops, including forages, cereals, mint, berries, and row crops, as well as in...
Resource Type:: Technical Report
Full Text:: Common Groundsel: Senecio vulgaris L. Common

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

Yellow toadflax and Dalmatian toadflax, Linaria vulgaris Hill and Linaria dalmatica [L.] Mill.

Creator:: Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, Butler, M. D. (Marvin D.), Burrill, L. C., and Pacific Northwest Cooperative Extension
Abstract:: Yellow toadflax (Linaria vulgaris) and Dalmatian toadflax (Linaria dalmatica) are members of the figwort (Scrophulariaceae) family. They were introduced into North America as ornamental plants because of their showy, snapdragon-like flowers. Yellow toadflax was brought from Wales in the mid-1800s as a garden flower by Ranstead, a Welsh Quaker who...
Resource Type:: Technical Report
Full Text:: November 1994 Yellow Toadflax and Dalmatian Toadflax Linaria vulgaris Hill and Linaria dalmatica [L.] Mill

ScholarsArchive@OSU

Orchardgrass (Dactylis glomerata L.)

Perennial ryegrass (Lolium perenne L.)

Bulbous bluegrass, Poa bulbosa L.

Wild carrot : Daucus carota L.

Common groundsel, Senecio vulgaris 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.

Yellow toadflax and Dalmatian toadflax, Linaria vulgaris Hill and Linaria dalmatica [L.] Mill.

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