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By: Erskine, D. S. (David Sterling) - Schofield, WilfredType: ArticleIn: RhodoraVolume: 50Series:Issue:Date: 1948Page Range: 283--284Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects:
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By: Schofield, WilfredType: ArticleIn: The Canadian field-naturalistVolume: 63Series:Issue: 1Date: 1949Page Range: 44--45Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: