Symphyotrichum falcatum var. falcatum

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Astereae
Subtribus: Symphyotrichinae
Genus: Symphyotrichum
Subgenus: S. subg. Virgulus
Sectio: S. sect. Ericoidei
Species: Symphyotrichum falcatum
Varietas:

Symphyotrichum falcatum (Lindl.) G.L.Nesom var. falcatum autonym

• Heterotypic
  • Aster elegantulus A.E.Porsild in Canad. Field-Naturalist 64: 43 (1950)
  • Aster ramulosus Lindl. in W.J.Hooker, Fl. Bor.-Amer. 2: 13 (1834), nom. illeg.
  • Haplopappus falcatus S.F.Blake in Contr. U.S. Natl. Herb. 25: 541, 545 (1925)
  • Stenotus falcatus Rydb. in Bull. Torrey Bot. Club 27: 616 (1900)
  • Venatris falcata Raf. in Fl. Tellur. 2: 47 (1837)

Native distribution areas:

Continental: Northern America Canada (Alberta, British Columbia, Manitoba, N.W.T., Saskatchewan, Yukon), Alaska, USA (Arizona, Colorado, Idaho, Minnesota, Montana, New Mexico, North Dakota, South Dakota, Utah, Wyoming), Mexico (Chihuahua, Coahuila, Durango, Nuevo Leon, San Luis Potosi, Sonora) References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

• Nesom, G.L. 1994 publ. 1995. Review of the taxonomy of Aster sensu lato (Asteraceae: Astereae), emphasizing the New World species. Phytologia 77(3): 141–297. BHL Reference page. : 281

• Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.
• Reveal, J.L. & Keener, C.S. 1981. Virgulus Raf. (1837), an earlier name for Lasallea Greene (1903) (Asteraceae). Taxon 30(3): 648–651. JSTOR Reference page. 

• Hassler, M. 2018. Symphyotrichum falcatum var. falcatum. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Mar. 22. Reference page. 
• Govaerts, R. et al. 2018. Symphyotrichum falcatum var. falcatum in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Mar. 22. Reference page. 
• Tropicos.org 2018. Symphyotrichum falcatum var. falcatum. Missouri Botanical Garden. Published online. Accessed: 22 Mar. 2018. Reference page.