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By: Watson, Thomas J.Type: ArticleIn: RhodoraVolume: 79Series:Issue:Date: 1977Page Range: 1--16.Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Watson, Thomas J.Type: ArticleIn: Madroño; a West American journal of botanyVolume: 25Series:Issue:Date: 1978Page Range: 205--210Publication Info: Berkeley California Botanical SocietySubjects:
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By: Witherspoon, John T - Watson, Thomas J.Type: ArticleIn: RhodoraVolume: 77Series:Issue:Date: 1975Page Range: 435--435Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: