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Eastern Oregon shrub quiz - key
Oregon State College. Federal Cooperative Extension Service; Randall, Warren R.; Ross, Charles R. (Charles Robert), 1908-; Oregon State College. Herbarium; United States. Forest Service
Published September 1956. 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
