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By: Skinner, J J - Reid, F. R. (Frederic Robertson)Type: ArticleIn: American journal of botanyVolume: 6Series:Issue: 4Date: 1919-04Page Range: 167--180Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-Subjects:
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By: Schreiner, Oswald - Skinner, J JType: ArticleIn: Botanical gazetteVolume: 59Series:Issue: 6Date: 1915Page Range: 445--463Publication Info: Hanover, Ind, [publisher not identified], 1876-1991Subjects: