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By: Burkart, Arturo Erhardo,Type: ArticleIn: Journal of the Arnold ArboretumVolume: 57Series:Issue: 3Date: 1976Page Range: 219--249Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Burkart, Arturo Erhardo,Type: ArticleIn: Journal of the Arnold ArboretumVolume: 57Series:Issue: 4Date: 1976Page Range: 450--525Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Simpson, Beryl Brintnall - Burkart, Arturo Erhardo, - Carman, Neil J.Type: ArticleIn: Madroño; a West American journal of botanyVolume: 23Series:Issue:Date: 1975Page Range: 220--227Publication Info: Berkeley California Botanical SocietySubjects: