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