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By: Keammerer, Warren R. - Johnson, W Carter - Burgess, Robert L.Type: ArticleIn: The Canadian field-naturalistVolume: 89Series:Issue: 1Date: 1975Page Range: 5--19Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
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By: Dixon, Mark D - Johnson, W CarterType: ArticleIn: The Great Basin naturalistVolume: 59Series:Issue: 1Date: 1999Page Range: 18--34Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,Subjects:
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By: Johnson, W CarterType: ArticleIn: RhodoraVolume: 72Series:Issue:Date: 1970Page Range: 554--554Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]Subjects: