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By: Britton, Donald M. - Stewart, W G - Cody, William J.Type: ArticleIn: The Canadian field-naturalistVolume: 99Series:Issue: 3Date: 1985Page Range: 380--382Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Stewart, W GType: ArticleIn: RhodoraVolume: 80Series:Issue:Date: 1978Page Range: 587--590Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: