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By: Hoover, Robert FType: ArticleIn: American fern journalVolume: 56Series:Issue:Date: 1966Page Range: 17--26Publication Info: [Washington, etc.] American Fern SocietySubjects:
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By: Hoover, Robert FType: ArticleIn: Madroño; a West American journal of botanyVolume: 5Series:Issue:Date: 1940Page Range: 137--147Publication Info: Berkeley, California Botanical Society,Subjects:
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By: Hoover, Robert FType: ArticleIn: Madroño; a West American journal of botanyVolume: 4Series:Issue:Date: 1937Page Range: 130--132Publication Info: Berkeley, California Botanical Society,Subjects:
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By: Hoover, Robert FType: ArticleIn: Madroño; a West American journal of botanyVolume: 3Series:Issue:Date: 1936Page Range: 227--230Publication Info: Berkeley, California Botanical Society,Subjects: