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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 77Series:Issue:Date: 1987Page Range: 58--63Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 70Series:Issue:Date: 1980Page Range: 39--44Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 75Series:Issue:Date: 1985Page Range: 132--132Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 68Series:Issue:Date: 1978Page Range: 37--40Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 75Series:Issue:Date: 1985Page Range: 111--119Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 52Series:Issue:Date: 1962Page Range: 123--130Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hauke, Richard LType: ArticleIn: American fern journalVolume: 60Series:Issue:Date: 1970Page Range: 162--163Publication Info: [Washington, etc.] American Fern SocietySubjects: