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By: Morefield, James D - Oswald, Vernon H. - Mcneal, Dale W - Levin, Geoffrey A - Rust, Rich - Shelly, J. StephenType: ArticleIn: Madroño; a West American journal of botanyVolume: 33Series:Issue:Date: 1986Page Range: 149--151Publication Info: Berkeley, California Botanical Society,Subjects: