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Steven G. Whisenant, « Common Rangeland Plants of West Central Texas by George Clendenin, USDA–Natural Resources Conservation Service », Great Plains Research, vol. 28, no 2, , p. 219–219 (ISSN2334-2463, DOI10.1353/gpr.2018.0043, lire en ligne, consulté le )
Nancy R. Morin, « New Publication: Flora of North America North of Mexico, Volume 28: Bryophyta, Part 2.NEW PUBLICATION: Flora of North America north of Mexico, Volume 28: Bryophyta, Part 2. Flora of North America Editorial Committee, pp. US $95 (ISBN9780190202750). Oxford University Press, www.oup.com. August 2014. », Evansia, vol. 31, no 3, , p. 112–112 (ISSN0747-9859, DOI10.1639/079.031.0307, lire en ligne, consulté le )
Tom S. Cooperrider, « Texas Plants Manual of the Vascular Plants of Texas D. S. Correll M. C. Johnston », BioScience, vol. 21, no 12, , p. 589–589 (ISSN0006-3568 et 1525-3244, DOI10.2307/1295719, lire en ligne, consulté le )