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By: Ruffin, JohnType: ArticleIn: Contributions from the Gray Herbarium of Harvard UniversityVolume:Series:Issue: 207Date: 1977Page Range: 117--131Publication Info: [Cambridge, Mass.] Harvard University -1984]Subjects:
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By: Ruffin, JohnType: ArticleIn: SIDA, contributions to botanyVolume: 5Series:Issue:Date: 1974Page Range: 301--333Publication Info: [Dallas W. F. Mahler, etc.] 1962-Subjects:
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By: Ruffin, JohnType: ArticleIn: SIDA, contributions to botanyVolume: 5Series:Issue:Date: 1974Page Range: 341--352Publication Info: [Dallas W. F. Mahler, etc.] 1962-Subjects: