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By: Maze, Jack - Robson, Kathleen AType: ArticleIn: Madroño; a West American journal of botanyVolume: 43Series:Issue:Date: 1996Page Range: 393--403Publication Info: Berkeley California Botanical SocietySubjects:
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By: de Esparza, Rosario Ruiz - Maze, JackType: ArticleIn: The Canadian field-naturalistVolume: 111Series:Issue: 2Date: 1997Page Range: 194--199Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: