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By: Stevens, H A - Weedon, Ronald R., - Stephens, H AType: ArticleIn: RhodoraVolume: 71Series:Issue:Date: 1969Page Range: 433--433Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Magrath, L K - Weedon, Ronald R.,Type: ArticleIn: RhodoraVolume: 76Series:Issue:Date: 1974Page Range: 489--490Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Mcgregor, Ronald L - Magrath, Lawrence K - Weedon, Ronald R.,Type: ArticleIn: RhodoraVolume: 74Series:Issue:Date: 1972Page Range: 378--388Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Magrath, Lawrence K - Weedon, Ronald R.,Type: ArticleIn: American fern journalVolume: 62Series:Issue:Date: 1972Page Range: 22--23Publication Info: [Washington, etc.] American Fern SocietySubjects: