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Tumors, cysts, pith-bundles, and floral proliferations in Helianthus

by Erwin F. Smith

Cover of Tumors, cysts, pith-bundles, and floral proliferations in Helianthus

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Crown-gall diseaseHelianthusSunflowersPlant DiseasesPlant diseases
Tumors, cysts, pith-bundles, and floral proliferations in Helianthus by Erwin F. Smith — book · Vinony