Gutierrezia

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snakeweeds
matchweeds
Gutierreziasarothrae.jpg
Gutierrezia sarothrae
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae[1]
Genus: Gutierrezia
Lag.
Type species
Gutierrezia linearifolia
Lag.
Synonyms[1]

Gutierrezia is a genus of flowering plants in the sunflower family. Plants of this genus are known generally as snakeweeds or matchweeds.[2][3][4][5][6][7]

These plants contain chemical compounds which can be toxic to livestock and some are considered weeds. They bear small yellow daisylike flowers.[8]

Species[1][9][10]
  1. Gutierrezia alamanii - Chihuahua
  2. Gutierrezia argyrocarpa - Hidalgo
  3. Gutierrezia arizonica – Arizona snakeweed - Arizona, Sonora
  4. Gutierrezia baccharoides - Chile, Argentina
  5. Gutierrezia californica – San Joaquin snakeweed - California, Baja California, Arizona (Yavapai Co)
  6. Gutierrezia conoidea - Chihuahua, Durango, Jalisco, Zacatecas
  7. Gutierrezia dracunculoides - USA (from AZ to NE + TN)
  8. Gutierrezia dunalii - Morelos, México State
  9. Gutierrezia espinosae - Chile
  10. Gutierrezia gayana - Chile
  11. Gutierrezia gilliesii - Argentina
  12. Gutierrezia grandis - Nuevo León, Coahuila
  13. Gutierrezia isernii - Argentina
  14. Gutierrezia mandonii - Argentina, Bolivia
  15. Gutierrezia microcephala – threadleaf snakeweed - USA (CA AZ NV NM CO TX), Mexico (from Sonora to Veracruz)
  16. Gutierrezia neaeana - Chile
  17. Gutierrezia paniculata - Chile
  18. Gutierrezia petradoria – San Pedro snakeweed - Utah
  19. Gutierrezia pulviniformis - Argentina
  20. Gutierrezia ramulosa - Baja California
  21. Gutierrezia repens - Argentina
  22. Gutierrezia resinosa - Chile
  23. Gutierrezia sarothrae – broom snakeweed - western Canada, western + central USA, northern Mexico
  24. Gutierrezia sericocarpa - San Luis Potosí, Durango, Zacatecas, Guanajuato, Querétaro, Nayarit
  25. Gutierrezia serotina – late snakeweed - Arizona
  26. Gutierrezia solbrigii - Argentina
  27. Gutierrezia spathulata - Argentina
  28. Gutierrezia sphaerocephala – roundleaf snakeweed - USA (AZ, NM, TX), northern Mexico
  29. Gutierrezia taltalensis - Chile
  30. Gutierrezia texana – Texas snakeweed - USA (NM, TX OK LA AR), Nuevo León
  31. Gutierrezia wrightii – Wright's snakeweed - USA (AZ, NM), Chihuahua, Durango, Sonora

References[edit]

  1. ^ a b c Flann, C (ed) 2009+ Global Compositae Checklist
  2. ^ Lagasca y Segura, Mariano. 1816. Genera et species plantarum, quae aut novae sunt aut nondum recte cognoscuntur, Elench. Pl. 30
  3. ^ Tropicos, Gutierrezia Lag.
  4. ^ "Asteraceae of North America Update, database (version 2010.5.13)". Integrated Taxonomic Information System. Retrieved January 5, 2013. 
  5. ^ "Gutierrezia Lag. Taxonomic Hierarchy". Integrated Taxonomic Information System. Retrieved January 5, 2013. 
  6. ^ "Classification for Kingdom Plantae Down to Genus Gutierrezia Lag.". United States Department of Agriculture Natural Resources Conservation Service. Retrieved January 5, 2013. 
  7. ^ Lane, M. A. 1985. Taxonomy of Gutierrezia (Compositae: Astereae) in North America. Systematic Botany 10(1): 7–28
  8. ^ Everitt, J.H.; Lonard, R.L.; Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN 0-89672-614-2. 
  9. ^ Biota of North America Program 2013 county distribution maps
  10. ^ CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F..

External links[edit]