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By: Bruce, James GarnettType: ArticleIn: American fern journalVolume: 62Series:Issue:Date: 1972Page Range: 82--87Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Bruce, James GarnettType: ArticleIn: American fern journalVolume: 66Series:Issue:Date: 1976Page Range: 125--137Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Evans, A. Murray - Snyder, L H - Bruce, James GarnettType: ArticleIn: American fern journalVolume: 77Series:Issue:Date: 1987Page Range: 106--107Publication Info: [Washington, etc.] American Fern SocietySubjects: