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By: Frye, Theodore C. (Theodore Christian), - Jackson, Mabel McmurryType: ArticleIn: American fern journalVolume: 3Series:Issue:Date: 1913Page Range: 65--83Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Frye, Theodore C. (Theodore Christian), - Jackson, Mabel McmurryType: ArticleIn: American fern journalVolume: 3Series:Issue:Date: 1913Page Range: 97--108Publication Info: [Washington, etc.] American Fern SocietySubjects: