The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
  • Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
  • Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
  • Isotype: Scheele, G. H. A. 1848. Linnaea. 21: 594.
  • Linnaea 21(5): 594. 1848. (Linnaea)
  • Scheele. 1848. In: Linnaea (Berlin). 21. 594
  • Wilson K.L. & Berendsohn W.G. (eds) (2015). IOPI Global Plant Checklist (version 10.0, Aug 2007). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.


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