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By: Upham, Alan WType: ArticleIn: RhodoraVolume: 44Series:Issue:Date: 1942Page Range: 456--457Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Upham, Alan WType: ArticleIn: American fern journalVolume: 12Series:Issue:Date: 1922Page Range: 96--97Publication Info: [Washington, etc.] American Fern SocietySubjects: