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

References

• Abrams, L. & R. S. Ferris. 1960. Bignonias to Sunflowers. 4: 732 pp. In L. Abrams Ill. Fl. Pacific States. Stanford University Press, Stanford.
• Aeschimann, D. & C. Heitz. 2005. Synonymie-Index der Schweizer Flora und der angrenzenden Gebiete (SISF). 2te Auflage. Documenta Floristicae Helvetiae N° 2. Genève.
• Ambrosia artemisiifolia L.
• Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
• 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.
• CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
• Correll, D. S. & M. C. Johnston. 1970. Man. Vasc. Pl. Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
• 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. Vascular plants of the intermountain west, U.S.A. 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.
• 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. 1988-2013. Fl. China Unpaginated. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis.
• Flora of North America Editorial Committee, e. 2006. Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. 21: i–xxii + 1–616. In Fl. N. Amer. Oxford University Press, New York.
• García-Mendoza, A. J. & J. Meave del Castillo. 2011. Divers. Florist. Oaxaca 1–351. Universidad Nacional Autónoma de México, Ciudad Universitaria.
• Gibbs Russell, G. E., W. G. Welman, E. Reitief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. v. Wyk & A. Nicholas. 1987. List of species of southern African plants. Mem. Bot. Surv. S. Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2).
• 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. Jepson Man.: Higher Pl. Calif. i–xvii, 1–1400. University of California Press, Berkeley.
• Hilty, J. Editor. 2013. Illinois Wildflowers. World Wide Web electronic publication. flowervisitors.info, version 04/2013.
  See: Botanical Terminology and Line Drawings,  Ecological Terminology,  Website Description,  Links to Other Websites,  Reference Materials
• Hitchcock, C. H., A. J. Cronquist, F. M. Ownbey & J. W. Thompson. 1984. Compositae. Part V.: 1–343. In Vasc. Pl. Pacific N.W. University of Washington Press, Seattle.
• Image metadata at Bioimages (http://bioimages.vanderbilt.edu/)
• Isotype: Scheele, G. H. 1849. Linnaea. 22: 157.
• L., Boulos.   (Submitted).  Flora of Egypt. Cairo: Al Hadara Publishing..  
• Lawesson, J. E., H. Adsersen & P. Bentley. 1987. An updated and annotated check list of the vascular plants of the Galapagos Islands. Rep. Bot. Inst. Univ. Aarhus 16: 1–74.
• Long, R. W. & O. K. Lakela. 1971. Fl. Trop. Florida i–xvii, 1–962. University of Miami Press, Coral Cables.
• 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.
• McVaugh, R. 2000. Bot. Results Sessé & Mociño 7: i–vii, 1–626. Hunt Institute for Botanical Documentation, Pittsburgh.
• 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.
• Porter, D. M. 1983. Vascular plants of the Galapagos: Origins and dispersal. 33–54. In M. B. R. I. Bowman & A. E. Leviton Patt. Evol. Galapagos Org. Pacific Division, AAAS, San Francisco.
• 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.
• SPECIMEN BASED RECORD. Published protolog data.
• Schwegman, J. E. 1991. The Vascular Flora of Langham Island, Kankakee County, Illinois. Erigenia 11: 1–8.
• Scoggan, H. J. 1979. Dicotyledoneae (Loasaceae to Compositae). Part 4. 1117–1711 pp. In Fl. Canada. National Museums of Canada, Ottawa.
• Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York.
• 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..  
• Voss, E. G. 1996. Michigan Flora, Part III: Dicots (Pyrolaceae-Compositae). Cranbrook Inst. of Science, Ann Arbor.
• Wiggins, I. L. & D. M. Porter. 1971. Fl. Galápagos Isl. i–xx, 1–998. Stanford University Press, Stanford.
• Wunderlin, R. P. 1998. Guide Vasc. Pl. Florida i–x, 1–806. University Press of Florida, Gainseville.