-
By: Clark, John R. (John Robert) - Summers, Tony MType: ArticleIn: Madroño; a West American journal of botanyVolume: 60Series:Issue:Date: 2013Page Range: 258--259Publication Info: Berkeley California Botanical SocietySubjects:
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By: Clark, John R. (John Robert)Type: ArticleIn: Field Museum of Natural History bulletinVolume: 43Series:Issue: 5Date: 1972Page Range: 9--9Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Wagner, Warren Lambert - Clark, John R. (John Robert) - Lorence, DavidType: ArticleIn: PhytoKeysVolume: 38Series:Issue:Date: 2014Page Range: 37-67Publication Info: Pensoft Publishers 2014Subjects:
-
By: Clark, John R. (John Robert)Type: ArticleIn: BulletinVolume: 42Series:Issue: 11Date: 1971Page Range: 12--13Publication Info: [Chicago], The Museum, 1966-1972Subjects:
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By: Clark, John R. (John Robert)Type: ArticleIn: BulletinVolume: 40Series:Issue: 7Date: 1969Page Range: 10--11Publication Info: [Chicago], The Museum, 1966-1972Subjects: