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By: Preston, Robert EType: ArticleIn: Madroño; a West American journal of botanyVolume: 57Series:Issue:Date: 2010Page Range: 261--267Publication Info: Berkeley, California Botanical Society,Subjects:
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By: Preston, Robert EType: ArticleIn: Madroño; a West American journal of botanyVolume: 53Series:Issue:Date: 2006Page Range: 46--54Publication Info: Berkeley, California Botanical Society,Subjects:
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By: Preston, Robert E - Schafer, Brad D - Widdowson, MargaretType: ArticleIn: Madroño; a West American journal of botanyVolume: 57Series:Issue:Date: 2010Page Range: 242--245Publication Info: Berkeley, California Botanical Society,Subjects:
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By: Preston, Robert EType: ArticleIn: Madroño; a West American journal of botanyVolume: 61Series:Issue:Date: 2014Page Range: 350--366Publication Info: Berkeley, California Botanical Society,Subjects: