Laennecia
Laennecia or Laënnecia is a genus of flowering plants in the family Asteraceae. The plants are native to Mesoamerica, South America, and the southwestern United States. Common name is "horseweed."
; SpeciesLaennecia altoandina G.L.Nesom - Jujuy in Argentina, La Paz in Bolivia, Cusco in PeruLaennecia araneosa G.Sancho & Pruski - Dominican RepublicLaennecia artemisiifolia G.L.NesomLaennecia chihuahuana G.L.Nesom - ChihuahuaLaennecia confusa G.L.Nesom - Chiapas, Guatemala, Costa RicaLaennecia coulteri G.L.Nesom - Mexico, United States Laennecia eriophylla G.L.Nesom - Arizona Laennecia filaginoides DC. - Central America, Colombia, Ecuador, Venezuela, Mexico, TexasLaennecia gnaphalioides Cass. - Chiapas, Oaxaca, Central America, Colombia, Ecuador, Peru, Bolivia, VenezuelaLaennecia microglossa G.L.Nesom - Nuevo LeónLaennecia pimana G.L.Nesom & Laferr. - ChihuahuaLaennecia schiedeana G.L.Nesom - Central America, Mexico, USA Laennecia sophiifolia G.L.Nesom - South America, Mesoamerica, USA Laennecia spellenbergii G.L.Nesom - DurangoLaennecia turnerorum G.L.Nesom - Texas