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Tansy Ragwort
Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Mallory-Smith, C.; Burrill, L. C.; Callihan, R. H.; Parker, R.; Radtke, H.; |Pacific Northwest Cooperative Extension|Coombs, Eric
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
