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


  • 1996. database, The PLANTS Database
  • 1996. database, NODC Taxonomic Code
  • 2000. database, The PLANTS Database
  • 2011. Lamiales of North America Update
  • Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
  • Balick, M. J., M. H. Nee & D.E. Atha. 2000. Checklist of the vascular plants of Belize. Mem. New York Bot. Gard. 85: i–ix, 1–246.
  • Bulletin of the Torrey Botanical Club 40(8): 424–425. 1913. (Bull. Torrey Bot. Club)
  • CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
  • Flora of Miami 167, 200. 1913. (Fl. Miami)
  • Godfrey, R. K. & J. W. Wooten. 1981. Aquatic Wetland Pl. S.E. U.S. Dicot. 1–944. Univ. Georgia Press, Athens.
  • Isotype: Pennell, F. W. 1913. Bull. Torrey Bot. Club. 40: 424.
  • Isotype: Pennell, F. W. 1913. Bull. Torrey Bot. Club. 40: 425.
  • Isotype: Pennell, F. W. 1913. Fl. Miami. 167, 200.
  • Long, R. W. & O. K. Lakela. 1971. Fl. Trop. Florida i–xvii, 1–962. University of Miami Press, Coral Cables.
  • Nelson, C. H. 2008. Cat. Pl. Vasc. Honduras 1–1576.
  • Orrell T. (custodian) (2015). ITIS Regional: The Integrated Taxonomic Information System (version Dec 2014). 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.
  • Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York.
  • Thieret, J. W. 1960. The Scrophulariaceae–Buchnereae of Central America. Ceiba 8(3): 92–101.


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