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By: Porter, Duncan MacnairType: ArticleIn: Journal of the Arnold ArboretumVolume: 53Series:Issue: 4Date: 1972Page Range: 531--552Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Cuatrecasas, José - Porter, Duncan MacnairType: ArticleIn: PhytologiaVolume: 26Series:Issue:Date: 1973Page Range: 485--486Publication Info: Bronx Park, New York H.A. Gleason and H.N. MoldenkeSubjects:
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By: Porter, Duncan MacnairType: ArticleIn: Journal of the Arnold ArboretumVolume: 54Series:Issue: 2Date: 1973Page Range: 315--321Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Porter, Duncan MacnairType: ArticleIn: Journal of the Arnold ArboretumVolume: 53Series:Issue: 3Date: 1972Page Range: 403--408Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects: