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


  • 1. National Biodiversity Network Species Dictionary (January 2004) External link.
  • 1996. database, The PLANTS Database
  • 1996. database, NODC Taxonomic Code
  • 2. Clapham, A.R., Tutin, T.G., and Moore, D.M. (1987) Flora of the British Isles- 3rd Edition. Cambridge University Press, Cambridge.
  • 2000. database, The PLANTS Database
  • 3. Preston, C.D., Pearman, D.A. and Dines, T.D. (2002) New Atlas of the British and Irish Flora. Oxford University Press, Oxford.
  • 4. Grigson, G. (1996) The Englishman’s Flora. Helicon Publishing, Ltd., Oxford.
  • 5. Mabey, R. (1996) Flora Britannica. Sinclair-Stevenson, London.
  • 6. Plants for a Future database (January 2004) External link.
  • Dipsacaceae of North America Update
  • Dipsacus fullonum L.
  • Hess, H. & al. (1976-1980). Flora der Schweiz. Ed. 2. Birkhäuser, Basel.
  • Hilty, J. Editor. 2015. Insect Visitors of Illinois Wildflowers.  World Wide Web electronic publication., version (09/2015) 
    See:   Abbreviations for Insect ActivitiesAbbreviations for Scientific ObserversReferences for behavioral observations
  • Landolt, E. (1977). Ökologische Zeigerwerte zur Schweizer Flora. Veröff. Geobot. Inst. ETH Stiftung Rübel Zürich 64.
  • Landolt, E. (1991). Gefährdung der Farn- und Blütenpflanzen in der Schweiz mit gesamtschweizerischen und regionalen roten Listen / Plantes vasculaires menacées en Suisse: listes rouges nationale et régionales. BUWAL / OFEFP, Bern.
  • 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.
  • 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.


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