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Filtering by: Subject Poison ivy -- Northwest, Pacific

Poison oak and poison ivy : Rhus diversiloba T. & G. and Rhus radicans L.

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

Full Text:

of poison oak or poison ivy still hold the harmful oils. Pacific Northwest Extension publications are
Poison oak and ivy

Creator:

Oregon State University. Extension Service, Washington State University. Extension Service, and University of Idaho. Agricultural Extension Service

Abstract:

Published March 1974. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

, individual leaf, male flowers, top, and female flowers, center. PNW 108 March 1974 Poison Oak and Ivy