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By: Sharpe, Joanne MType: ArticleIn: American fern journalVolume: 101Series:Issue:Date: 2011Page Range: 129--130Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Sharpe, Joanne M - Jernstedt, Judith AType: ArticleIn: American fern journalVolume: 81Series:Issue:Date: 1991Page Range: 119--127Publication Info: [Washington, etc.] American Fern SocietySubjects: