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By: Cockerell, Theodore D. A. (Theodore Dru Alison), - Harper, R MType: ArticleIn: TorreyaVolume: 19Series:Issue: 10Date: 1919Page Range: 197--199Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945Subjects:
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By: Harper, R MType: ArticleIn: RhodoraVolume: 31Series:Issue:Date: 1929Page Range: 221--223Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: