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By: Bijhouwer, J. T. P. (Jan Tijs Pieter),Type: ArticleIn: Journal of the Arnold ArboretumVolume: 10Series:Issue: 2Date: 1929Page Range: 84--107Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Bijhouwer, J. T. P. (Jan Tijs Pieter),Type: ArticleIn: Journal of the Arnold ArboretumVolume: 9Series:Issue: 2-3Date: 1928Page Range: 131--137Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects: