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By: Scora, Rainer WType: ArticleIn: Madroño; a West American journal of botanyVolume: 18Series:Issue:Date: 1965Page Range: 119--122Publication Info: Berkeley California Botanical SocietySubjects:
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By: Scora, Rainer W - Wagner, Warren H. (Warren Herbert),Type: ArticleIn: American fern journalVolume: 54Series:Issue:Date: 1964Page Range: 105--113Publication Info: [Washington, etc.] American Fern SocietySubjects: