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By: Spencer, Edwin Rollin,Edition:Publication info: Chicago, 1921Volume:Series:Holding Institution: Library of CongressSubjects:BHL Collections:
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By: Spencer, Edwin Rollin,Type: ArticleIn: Botanical gazetteVolume: 72Series:Issue: 5Date: 1921Page Range: 265--292Publication Info: Hanover, Ind, [publisher not identified], 1876-1991Subjects: