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.
  • 2. Clapham, A.R., Tutin, T.G. & Moore, D.M. (1987) Flora of the British Isles. 3rd Edition. Cambridge University Press, Cambridge.
  • 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. DEFRA. Spear thistle (Feb 2003) http://www.defra.gov.ukenviron/weedsact/spearths.pdfhttp://www.defra.gov.ukenviron/weedsact/spearths.pdf External link.
  • 5. Mabey, R. (1996) Flora Britannica. Sinclair-Stevenson, London.
  • 6. Press, B. & Gibbons, B (1993) Photographic field guide to wild flowers of Britain and Europe. New Holland Publishers (UK) Ltd, London.
  • Abrams, L. & R. S. Ferris. 1960. Bignonias to Sunflowers. 4: 732 pp. In L. Abrams (ed.) Ill. Fl. Pacific States. Stanford University Press, Stanford.
  • Brako, L. & J. L. Zarucchi. (eds.) 1993. Catalogue of the Flowering Plants and Gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45: i–xl, 1–1286.
  • Cabrera, A. L. 1978. Compositae. 10: 1–726. In A. L. Cabrera (ed.) Fl. Prov. Jujuy. Instituto Nacional de Tecnología Agropecuaria, Buenos Aires.
  • Cirsium vulgare (Savi) Ten.
  • Cronquist, A.J. 1980. Asteraceae. 1: i–xv, 1–261. In Vasc. Fl. S.E. U. S. The University of North Carolina Press, Chapel Hill.
  • Cronquist, A.J. 1994. Asterales. 5: 1–496. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermount. Fl. Hafner Pub. Co., New York.
  • Davidse, G., M. Sousa-Peña, S. Knapp & F. Chiang Cabrera. 2014. Asteraceae. 5(2): ined. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Fl. Mesoamer. Universidad Nacional Autónoma de México, México.
  • Dillon, M. O. 1982. Family Compositae: Part IV. Tribe Cardueae. Flora of Peru. Fieldiana, Bot., n.s. 10: 1–8.
  • Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York.
  • Flann C. (ed) (2013). GCC: Global Compositae Checklist (version 3 (Beta), Feb 2012). 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.
  • Flora Napolitana 5: 209. 1835-1836. (Fl. Napol.)
  • Flora of China Editorial Committee. 1988-2013. Flora of China (Checklist & Addendum). Unpaginated. In C. Y. Wu, P. H. Raven & D. Y. Hong (eds.) Fl. China. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
  • Flora of China Editorial Committee. 2011. Flora of China (Asteraceae). 20–21: 1–992. In C. Y. Wu, P. H. Raven & D. Y. Hong (eds.) Fl. China. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
  • Flora of North America Editorial Committee, e. 2006. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Fl. N. Amer. 19: i–xxiv, 1–579.
  • Forzza, R. C. 2010. Lista de espécies Flora do Brasil http://floradobrasil.jbrj.gov.br/2010. Jardim Botânico do Rio de Janeiro, Rio de Janeiro.
  • Gleason, H. A. & A.J. Cronquist. 1991. Man. Vasc. Pl. N.E. U.S. (ed. 2) i–910. New York Botanical Garden, Bronx.
  • 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.
  • Great Plains Flora Association. 1986. Fl. Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
  • Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
  • Hilty, J. Editor. 2015. Insect Visitors of Illinois Wildflowers.  World Wide Web electronic publication. illinoiswildflowers.info, version (07/2015) 
    See:   Abbreviations for Insect ActivitiesAbbreviations for Scientific ObserversReferences for behavioral observations
  • Hultén, E. 1968. Fl. Alaska i–xxi, 1–1008. Stanford University Press, Stanford.
  • Jeffrey, C. 1968. Notes on Compositae: III. The Cynareae in East Tropical Africa. Kew Bull. 22(1): 107–140.
  • Jørgensen, P. M. & C. Ulloa Ulloa. 1994. Seed plants of the high Andes of Ecuador–A checklist. AAU Rep. 34: 1–443.
  • Jørgensen, P. M. & S. León-Yánez. (eds.) 1999. Cat. Vasc. Pl. Ecuador, Monogr. Syst. Bot. Miss. Bot. Gard. 75: i–viii, 1–1181. Missouri Botanical Garden, St. Louis.
  • 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.
  • 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.
  • Moss, E. H. 1983. Fl. Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
  • 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.
  • Voss, E. G. 1996. Michigan Flora, Part III: Dicots (Pyrolaceae-Compositae). Cranbrook Inst. of Science, Ann Arbor.
  • Wunderlin, R. P. 1998. Guide Vasc. Pl. Florida i–x, 1–806. University Press of Florida, Gainesville.
  • 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.

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!