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By: Webster, Terry RType: ArticleIn: American fern journalVolume: 60Series:Issue:Date: 1970Page Range: 1--6Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Webster, Terry RType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 79Series:Issue:Date: 1992Page Range: 632--647Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
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By: Webster, Terry R - Steeves, Taylor AType: ArticleIn: American fern journalVolume: 54Series:Issue:Date: 1964Page Range: 189--196Publication Info: [Washington, etc.] American Fern SocietySubjects: