Laennecia

Laennecia or Laënnecia is a genus of flowering plants in the sunflower family.[4] The plants are native to Mesoamerica, South America, and the southwestern United States. Common name is "horseweed."[5][6][7][8]

Species[1][9]

• Laennecia altoandina (Cabrera) G.L.Nesom - Jujuy in Argentina, La Paz in Bolivia, Cusco in Peru
• Laennecia araneosa (Urb.) G.Sancho & Pruski - Dominican Republic
• Laennecia artemisiifolia (Meyen & Walp.) G.L.Nesom
• Laennecia chihuahuana G.L.Nesom - Chihuahua
• Laennecia confusa (Cronquist) G.L.Nesom - Chiapas, Guatemala, Costa Rica
• Laennecia coulteri (A.Gray) G.L.Nesom - Mexico (Coahuila, Nuevo León, Sonora), United States (CA NV AZ UT CO NM TX AL)
• Laennecia eriophylla (A.Gray) G.L.Nesom - Arizona (Pima, Santa Cruz, Cochise Counties)
• Laennecia filaginoides DC. - Central America, Colombia, Ecuador, Venezuela, Mexico, Texas
• Laennecia gnaphalioides (Kunth) Cass. - Chiapas, Oaxaca, Central America, Colombia, Ecuador, Peru, Bolivia, Venezuela
• Laennecia microglossa (S.F.Blake) G.L.Nesom - Nuevo León
• Laennecia pimana G.L.Nesom & Laferr. - Chihuahua
• Laennecia schiedeana (Less.) G.L.Nesom - Central America, Mexico, USA (AZ CO NM)
• Laennecia sophiifolia (Kunth) G.L.Nesom - South America, Mesoamerica, USA (AZ TX NM)
• Laennecia spellenbergii G.L.Nesom - Durango
• Laennecia turnerorum G.L.Nesom - Texas (Brewster County)

horseweed
Laennecia coulteri
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Astereae[1]
Genus:	Laennecia Cass.
Synonyms[1]
Laënnecia Cass., spelling variant,[2] see also [3] Conyza sect. Laennecia (Cass.) Cuatrec.

References

1. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-30 at Archive.today
2. Flora of North America Vol. 20 Page 8,9, 12, 36 Laënnecia Cassini in F. Cuvier, Dict. Sci. Nat. ed. 2. 25: 91. 1822.
3. International Code of Nomenclature for algae, fungi, and plants, CHAPTER IX. Orthography and gender of names, article 60.6.
4. Cassini, Alexandre Henri Gabriel de. 1822. Dictionnaire des Sciences Naturelles [Second edition] 25: 91–92in French
5. Botanic Garden and Botanical Museum Berlin-Dahlem. "Details for: Astereae". Euro+Med PlantBase. Freie Universität Berlin. Retrieved 2009-07-18.
6. UniProt. "Tribe Astereae". Retrieved 2009-07-18.
7. National Herbarium of New South Wales. "Genus Kippistia". New South Wales FloraOnline. Royal Botanic Gardens, Sydney. Retrieved 2009-07-18.
8. "Polyarrhena Cass". African Plants Database. South African National Biodiversity Institute, the Conservatoire et Jardin botaniques de la Ville de Genève and Tela Botanica. Retrieved 2009-07-18.
9. Biota of North America Program 2013 county distribution maps