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By: Williams, Norris H - Whitten, William Mark,Type: ArticleIn: The Biological bulletinVolume: 164Series:Issue:Date: 1983-06-01Page Range: 355--395Publication Info: Woods Hole, Mass Marine Biological LaboratorySubjects:
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By: Fritze, Karen J - Williams, Norris HType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 75Series:Issue:Date: 1988Page Range: 168--191Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
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By: Gajdeczka, Michael T - Neubig, Kurt M - Judd, Walter S. - Whitten, William Mark, - Williams, Norris H - Perkins, Kent DType: ArticleIn: Journal of the Botanical Research Institute of TexasVolume: 4Series:Issue:Date: 2010Page Range: 245--260Publication Info: Fort Worth, Tex Botanical Research Institute of Texas 2007-Subjects: