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By: Mohlenbrock, R H - Evans, Dan K.,Type: ArticleIn: RhodoraVolume: 74Series:Issue:Date: 1972Page Range: 142--151Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Mohlenbrock, R H - Evans, Dan K.,Type: ArticleIn: RhodoraVolume: 76Series:Issue:Date: 1974Page Range: 460--470Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Ely, Joseph S - Evans, Dan K.,Type: ArticleIn: Journal of the Botanical Research Institute of TexasVolume: 4Series:Issue:Date: 2010Page Range: 411--433Publication Info: Fort Worth, Tex Botanical Research Institute of Texas 2007-Subjects: