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

References

  • 1996. database, The PLANTS Database
  • 1996. database, NODC Taxonomic Code
  • 2000. database, The PLANTS Database
  • 2011. Lamiales of North America Update
  • AFPD. 2008. African Flowering Plants Database - Base de Donnees des Plantes a Fleurs D'Afrique.
  • Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Klasse, Denkschriften 1: 24. 1885. (Akad. Wiss. Wien, Math.-Naturwiss. Kl., Denkschr.)
  • Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
  • Contributions from the United States National Herbarium 16(4): 174. 1913. (Contr. U.S. Natl. Herb.)
  • Enumeratio Plantarum Transsilvaniae 492. 1866. (Enum. Pl. Transsilv.)
  • F.N., Hepper., & I. Friis.   (1994).  The Plants of Pehr Forsskal's "Flora Ageyptiaco-Arabica". Kew: Kew Publishing..  
  • Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
  • Gleason, H. A. 1968. The Sympetalous Dicotyledoneae. vol. 3. 596 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York.
  • Hilty, J. Editor. 2014. Illinois Wildflowers. World Wide Web electronic publication. flowervisitors.info, version 06/2014.
    See: Botanical Terminology and Line DrawingsEcological TerminologyWebsite DescriptionLinks to Other WebsitesReference Materials
  • Isotype: Pennell, F. W. 1919. Torreya. 19: 170.
  • L., Boulos.   (Submitted).  Flora of Egypt. Cairo: Al Hadara Publishing..  
  • Marticorena C & R Rodríguez . 1995-2005. Flora de Chile. Vols 1, 2(1-3). Ed. Universidad de Concepción, Concepción. 351 pp., 99 pp., 93 pp., 128 pp. Matthei O. 1995. Manual de las malezas que crecen en Chile. Alfabeta Impresores. 545 p.
  • Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.
  • Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.
  • Orrell T. (custodian) (2013). ITIS Regional: The Integrated Taxonomic Information System (version Apr 2011). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.
  • Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York.
  • Species Plantarum 1: 12. 1753. (1 May 1753) (Sp. Pl.)
  • Torreya 19(9): 170–171. 1919. (28 Oct 1919) (Torreya)
  • V., Täckholm.   (1974).  Students’ Flora of Egypt, 2nd Ed. Cairo: Cairo University Press..  
  • V., Täckholm., & M. Drar.   (Submitted).  Flora of Egypt. Bulletin of the Faculty of Science. Cairo: Cairo University Press..  
  • Veronica catenata
  • Zuloaga, F. O., O. N. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las plantas vasculares del Cono Sur. Monogr. Syst. Bot. Missouri Bot. Gard. 107(1–3): i–xcvi, 1–3348.

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