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Poison oak and poison ivy : Rhus diversiloba T. & G. and Rhus radicans L.
Burrill, L. C.; Callihan, R. H. (Robert Harold), 1933-; Parker, Robert; Washington State University. Cooperative Extension; Pacific Northwest Cooperative Extension
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.
Description:
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
Subject:Poison oak -- Northwest, Pacific Poison ivy -- Northwest, Pacific
