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By: Parnell, Dennis RType: ArticleIn: Madroño; a West American journal of botanyVolume: 20Series:Issue:Date: 1970Page Range: 321--323Publication Info: Berkeley California Botanical SocietySubjects:
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By: Brophy, William B. (William Brent), - Parnell, Dennis RType: ArticleIn: Madroño; a West American journal of botanyVolume: 22Series:Issue:Date: 1974Page Range: 290--302Publication Info: Berkeley California Botanical SocietySubjects:
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By: Raven, Peter H - Parnell, Dennis RType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 64Series:Issue:Date: 1977Page Range: 642--643Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
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By: Raven, Peter H - Parnell, Dennis RType: ArticleIn: Madroño; a West American journal of botanyVolume: 20Series:Issue:Date: 1970Page Range: 246--249Publication Info: Berkeley California Botanical SocietySubjects: