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By: Falk, Donald A. - Olwell, PType: ArticleIn: RhodoraVolume: 94Series:Issue:Date: 1992Page Range: 287--315Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Falk, Donald A. - Thibodeau, Francis R.,Type: ArticleIn: ArnoldiaVolume: 46Series:Issue: 3Date: 1986Page Range: 2--16Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard UniversitySubjects: