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By: Pray, Thomas RType: ArticleIn: Pacific scienceVolume: 13Series:Issue: 1Date: 1959Page Range: 3--13Publication Info: Honolulu, University Press of Hawaii,Subjects:
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By: Pray, Thomas RType: ArticleIn: American fern journalVolume: 58Series:Issue:Date: 1968Page Range: 54--64Publication Info: [Washington, etc.] American Fern SocietySubjects: