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By: Tanowitz, Barry D - Gordon, Patricia J - Turner, Charles Edward, - Hilu, Khidir W - Cholewa, Anita F - Reveal, James L. - Heckard, L R - Clark, Curtis - Webster, Grady L. (Grady Linder), - Hartman, Ronald L - Nelson, B E - Dueholm, Keith H. - Dorn, Robert D.Type: ArticleIn: Madroño; a West American journal of botanyVolume: 27Series:Issue:Date: 1980Page Range: 176--186Publication Info: Berkeley California Botanical SocietySubjects:
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By: Hilu, Khidir W - Alice, Lawrence A - Liang, HongpingType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 86Series:Issue:Date: 1999Page Range: 835--851Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
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By: Hilu, Khidir W - Johnson, John LType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 84Series:Issue:Date: 1997Page Range: 841--847Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects: