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By: Karrfalt, Eric E - Hunter, Dale MType: ArticleIn: American fern journalVolume: 70Series:Issue:Date: 1980Page Range: 69--72Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Karrfalt, Eric EType: ArticleIn: American fern journalVolume: 89Series:Issue:Date: 1999Page Range: 198--203Publication Info: [Washington, etc.] American Fern SocietySubjects: