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By: Sponsler, Olenus Lee,Edition: Rev.Publication info: Ann Arbor, Mich, G. Wahr, 1916Volume:Series:Holding Institution: University of California LibrariesSubjects:BHL Collections:
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By: Sponsler, Olenus Lee,Type: ArticleIn: American journal of botanyVolume: 9Series:Issue: 9Date: 1922-11Page Range: 471--492Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-Subjects: