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By: Johnson, Albert GType: ArticleIn: RhodoraVolume: 56Series:Issue:Date: 1954Page Range: 129--131Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],Subjects:
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By: Johnson, Albert GType: ArticleIn: Journal of the Arnold ArboretumVolume: 33Series:Issue: 2Date: 1952Page Range: 179--187Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Johnson, Albert G - Smithberg, Margaret HType: ArticleIn: RhodoraVolume: 69Series:Issue:Date: 1967Page Range: 457--459Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],Subjects:
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By: Sax, Karl, - Johnson, Albert GType: ArticleIn: Journal of the Arnold ArboretumVolume: 36Series:Issue: 1Date: 1955Page Range: 110--114Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects: