Accepted By:
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Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
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Hartman, R. L. & B. E. Nelson. 1998. Novelties from North America north of Mexico: A 20-Year Vascular plant Diversity Baseline. 1–51 (mss.).
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Smith, E. B. 1976. Hedyotis ouachitana (Rubiaceae): a new species from the Ouachita Mountains of Arkansas and Oklahoma. Brittonia 28: 453–459.
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