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By: Crawford, Daniel J. - Gardner, Robert CarlType: ArticleIn: SIDA, contributions to botanyVolume: 5Series:Issue:Date: 1974Page Range: 292--294Publication Info: [Dallas W. F. Mahler, etc.] 1962-Subjects:
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By: Gardner, Robert CarlType: ArticleIn: RhodoraVolume: 79Series:Issue:Date: 1977Page Range: 139--146Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Gardner, Robert CarlType: ArticleIn: RhodoraVolume: 81Series:Issue:Date: 1979Page Range: 291--343Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Gardner, Robert CarlType: ArticleIn: Madroño; a West American journal of botanyVolume: 22Series:Issue:Date: 1974Page Range: 239--265Publication Info: Berkeley California Botanical SocietySubjects: