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

References

  • 1. National Biodiversity Network Species Dictionary (Feb 2003) http://www.nhm.ac.uk/nbn/http://www.nhm.ac.uk/nbn/ External link.
  • 1996. database, NODC Taxonomic Code
  • 1996. database, The PLANTS Database
  • 2. Clapham, A.R., Tutin, T.G. & Moore, D.M. (1987) Flora of the British Isles. 3rd Edition. Cambridge University Press, Cambridge.
  • 2000. database, The PLANTS Database
  • 2011. Lamiales of North America Update
  • 3. Preston, C.D., Pearman, D.A. & Dines, T.D. (2002) The New Atlas of the British and Irish Flora. Oxford University Press, Oxford.
  • 4. Mabey, R. (1996) Flora Britannica. Sinclair-Stevenson, London.
  • 5. Press, B. & Gibbons, B (1993) Photographic field guide to wild flowers of Britain and Europe. New Holland Publishers (UK) Ltd, London.
  • 6. Paul May (1996) University of Bristol School of Chemistry. (Feb 2003) http://www.bris.ac.ukDepts/Chemistry/MOTM/digitalis/digitalis.htmhttp://www.bris.ac.ukDepts/Chemistry/MOTM/digitalis/digitalis.htm External link.
  • AFPD. 2008. African Flowering Plants Database - Base de Donnees des Plantes a Fleurs D'Afrique.   http://www.tropicos.org/Reference/1033133 External link.
  • Aeschimann, D. & C. Heitz. 2005. Synonymie-Index der Schweizer Flora und der angrenzenden Gebiete (SISF). 2te Auflage. Documenta Floristicae Helvetiae N° 2. Genève.   http://www.crsf.ch/ External link.
  • Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.   http://www.tropicos.org/Reference/1103 External link.
  • Barringer, K. Scrophulariaceae. In: Hammel, B.E.; Grayum, M.H.; Herrera, C.; Zamora, N. (eds.). Manual de Plantas de Costa Rica. Monogr. Syst. Bot. Missouri Bot. Gard. En preparación.
  • Breedlove, D. E. 1986. Flora de Chiapas. Listados Floríst. México 4: i–v, 1–246.   http://www.tropicos.org/Reference/513 External link.
  • CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.   http://www.tropicos.org/Reference/1033332 External link.
  • D'Arcy, W. G. 1987. Flora of Panama. Checklist and Index. Part 1: The introduction and checklist. Monogr. Syst. Bot. Missouri Bot. Gard. 17: v–xxx, 1–328.   http://www.tropicos.org/Reference/1289 External link.
  • Digitalis purpurea L.
  • Edwin, G. 1971. Scrophulariaceae. In: J. F. Macbride, Flora of Peru. Publ. Field Mus. Nat. Hist., Bot. Ser. 13(5B/3): 461–717.   http://www.tropicos.org/Reference/1361 External link.
  • Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.   http://www.tropicos.org/Reference/1327 External link.
  • Flora of China Editorial Committee. 1998. Fl. China 18: 1–449. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.   http://www.tropicos.org/Reference/1018512 External link.
  • García-Mendoza, A. J. & J. Meave del Castillo. 2011. Divers. Florist. Oaxaca 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria.   http://www.tropicos.org/Reference/100009052 External link.
  • 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.   http://www.tropicos.org/Reference/1707 External link.
  • Hokche, O., P. E. Berry & O. Huber. 2008. 1–860. In O. Hokche, P. E. Berry & O. Huber Nuevo Cat. Fl. Vasc. Venezuela. Fundación Instituto Botánico de Venezuela, Caracas.   http://www.tropicos.org/Reference/1033110 External link.
  • Holmgren, N. H. & U. Molau. 1984. 177. Scrophulariaceae. 21: 1–189. In G. W. Harling & B. B. Sparre (eds.) Fl. Ecuador. University of Göteborg and Swedish Museum of Natural history, Göteborg and Stockholm.   http://www.tropicos.org/Reference/11836 External link.
  • Idárraga-Piedrahita, A., R. D. C. Ortiz, R. Callejas Posada & M. Merello. 2011. Flora de Antioquia. Catálogo de las Plantas Vasculares, vol. 2. Listado de las Plantas Vasculares del Departamento de Antioquia. Pp. 1-939.   http://www.tropicos.org/Reference/100008595 External link.
  • Image metadata at Bioimages (http://bioimages.vanderbilt.edu/)   http://bioimages.vanderbilt.edu/baskauf/00000 External link.
  • Jørgensen, P. M. & C. Ulloa Ulloa. 1994. Seed plants of the high Andes of Ecuador---A checklist. AAU Rep. 34: 1–443.   http://www.tropicos.org/Reference/47124 External link.
  • Jørgensen, P. M. & S. León-Yánez. (eds.) 1999. Catalogue of the vascular plants of Ecuador. Monogr. Syst. Bot. Missouri Bot. Gard. 75: i–viii, 1–1181.   http://www.tropicos.org/Reference/42250 External link.
  • Luteyn, J. L. 1999. Páramos, a checklist of plant diversity, geographical distribution, and botanical literature. Mem. New York Bot. Gard. 84: viii–xv, 1–278.   http://www.tropicos.org/Reference/1024098 External link.
  • 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.
  • Marticorena, C. & M. Quezada. 1985. Catálogo de la Flora Vascular de Chile. Gayana, Bot. 42: 1–157.   http://www.tropicos.org/Reference/1592 External link.
  • Munz, P. A. & D. D. Keck. 1959. Cal. Fl. 1–1681. University of California Press, Berkeley.   http://www.tropicos.org/Reference/1717 External link.
  • Munz, P. A. 1974. Fl. S. Calif. 1–1086. University of California Press, Berkeley.   http://www.tropicos.org/Reference/1719 External link.
  • Méndez-Larios, I. & J. L. Villaseñor Ríos. 2001. La familia Scrophulariaceae in México: diversidad y distribución. Bol. Soc. Bot. México 69: 101–121.   http://www.tropicos.org/Reference/1021577 External link.
  • 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.
  • Standley, P. C. & L. O. Williams. 1973. Scrophulariaceae. In Standley, P. C. & L. O. Williams (eds.), Flora of Guatemala - Part IX, Number 4. Fieldiana, Bot. 24(9/4): 319–416.   http://www.tropicos.org/Reference/6593 External link.
  • Zuloaga, F. O., O. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi. (eds.) 2008. Catálogo de las Plantas Vasculares del Cono Sur (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay). Monogr. Syst. Bot. Missouri Bot. Gard. 107(1): i–xcvi, 1–983; 107(2): i–xx, 985–2286; 107(3): i–xxi, 2287–3348.   http://www.tropicos.org/Reference/1033249 External link.

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