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

References

  • 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.
  • Conyza canadensis
  • 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.
  • 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 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.
  • Foster, R. C. 1958. A catalogue of the ferns and flowering plants of Bolivia. Contr. Gray Herb. 184: 1–223.
  • Gray, A. 1850. Plantae Lindheimerianae, Part 2. Boston J. Nat. Hist. 6: 141–240.
  • Hess, H. & al. (1976-1980). Flora der Schweiz. Ed. 2. Birkhäuser, Basel.
  • 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
  • Hilty, J. Editor. 2014. Insect Visitors of Illinois Wildflowers.  World Wide Web electronic publication. illinoiswildflowers.info, version (11/2014) 
    See:   Abbreviations for Insect ActivitiesAbbreviations for Scientific ObserversReferences for behavioral observations
  • Image metadata at Bioimages (http://bioimages.vanderbilt.edu/)   http://bioimages.vanderbilt.edu/baskauf/00000 External link.
  • Isotype: Gray, A. 1850. Boston J. Nat. Hist. 6 (2): 220.
  • Jackson, B. D. & J. D. Hooker. 1893. Index Kew. 1:1–1268. Kew Gardens, London.
  • L., Boulos.   (Submitted).  Flora of Egypt. Cairo: Al Hadara Publishing..  
  • 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.
  • Li, H., T. Liu, T. Huang, T. Koyama & C. E. DeVol. 1979. Vascular Plants. Volume 6: 665 pp. In Fl. Taiwan. Epoch Publishing Co., Ltd., Taipei.
  • 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.
  • Molina Rosito, A. 1975. Enumeración de las plantas de Honduras. Ceiba 19(1): 1–118.
  • Moss, E. H. 1983. Fl. Alberta (ed. 2) i–xii, 1–687. University of Toronto Press, Toronto.
  • Porsild, A. E. & W. Cody. 1980. Vasc. Pl. Continental Northw. Terr. Canada i–viii, 1–607. National Museum of Natural Sciences, Ottawa.
  • Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Man. Vasc. Fl. Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill.
  • Rusby, H. H. 1893. On the collections of Mr. Miguel Bang in Bolivia. Mem. Torrey Bot. Club 3(3): 1–67.
  • Scoggan, H. J. 1979. Dicotyledoneae (Loasaceae to Compositae). Part 4. 1117–1711 pp. In Fl. Canada. National Museums of Canada, Ottawa.
  • Species Plantarum 2: 863. 1753. (1 May 1753) (Sp. Pl.)
  • 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..  

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