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By: MacDougal, Daniel Trembly, - Vail, Anna Murray, - Shull, George Harrison,Edition:Publication info: Washington, D.C, Carnegie Institution of Washington, 1907Volume:Series:Holding Institution: Multiple institutionsSubjects: Gattung illustraties Illustrations Induced mutations Inheritance Mutation Nachtkerze Oenothera Onagraceae overerving Photographs Plant Breeding and Selection Methods Plantenveredeling, selectiemethoden Plants Variation Variation (Botany)BHL Collections: Women in Natural History