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By: Foster, H LincolnType: ArticleIn: American fern journalVolume: 44Series:Issue: 3Date: 1954Page Range: 114--114Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Foster, H LincolnType: ArticleIn: RhodoraVolume: 49Series:Issue:Date: 1947Page Range: 116--116Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],Subjects: