Bouteloua genus of plants in the grass family. Members of the genus are commonly known as grama grass .
The genus was named for Claudio and Esteban Boutelou, 19th-century Spanish botanists.
Species of Bouteloua include:
Bouteloua alamosana Vasey - Mesoamerica Bouteloua americana (L.) Scribn. – American grama - southern Mexico, Central America , West Indies , northern South America Bouteloua annua Swallen - Baja California Sur , Sonora Bouteloua aristidoides (Kunth) Griseb. – needle grama - United States (California , Arizona , Nevada , Utah , New Mexico , Texas ); Mexico, South America, Aruba Bouteloua bracteata (McVaugh) Columbus - Michoacán Bouteloua chondrosioides (Kunth) Benth. ex S.Watson – sprucetop grama - United States (AZ TX); MesoamericaBouteloua curtipendula (Michx.) Torr. – sideoats grama - widespread in USA, Canada, MexicoBouteloua dactyloides (Nutt.) Columbus – buffalograss - USA, Canada, MexicoBouteloua dimorpha Columbus - Great Plains in USA, Canada, Mexico, Honduras , Cuba , Trinidad Bouteloua distans Swallen - MexicoBouteloua disticha (Kunth) Benth. - from southern Mexico to Ecuador ; also Cuba, GalápagosBouteloua eludens Griffiths - USA (Arizona, New Mexico), Mexico (Chihuahua , Coahuila , Sonora )Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths – blue grama - Great Plains in USA, Canada, MexicoBouteloua hirsuta Lag. - USA (Great Plains, Southwest), Mexico, Guatemala Bouteloua johnstonii Swallen - CoahuilaBouteloua juncea (Desv. ex Beauv.) A.S.Hitchc. – lamilla - Cuba, Hispaniola , Puerto Rico Bouteloua media (E.Fourn.) Gould & Kapadia - from central Mexico to Uruguay Bouteloua megapotamica (Spreng.) Kuntze - Argentina , Brazil , Uruguay , Bolivia Bouteloua mexicana (Scribn.) Columbus - Mexico, Belize , Guatemala, HondurasBouteloua multifida (Griffiths) Columbus - from Sonora to Oaxaca Bouteloua nervata Swallen - Hidalgo , México StateBouteloua pedicellata Swallen - Puebla , Hidalgo, Guanajuato , Tlaxcala , Nuevo León , Veracruz Bouteloua polymorpha (E.Fourn.) Columbus - from Durango to OaxacaBouteloua purpurea Gould & Kapadia - Guanajuato, D.F., San Luis Potosí, México State, Hidalgo, Querétaro Bouteloua radicosa (E. Fourn.) Griffiths – purple grama - USA (Arizona, New Mexico), Mexico (Chihuahua, Michoacán, Coahuila, Morelos , Puebla, Durango, Zacatecas , Distrito Federal de México, Jalisco, Nuevo León, Hidalgo, Oaxaca, Tamaulipas)Bouteloua repens (Kunth) Scribn. – slender grama - USA (Arizona, New Mexico, Texas, OK)Bouteloua reederorum Columbus - Durango, Puebla, Zacatecas, OaxacaBouteloua reflexa Swallen - Sonora, Sinaloa, Baja California , Baja California Sur , Nayarit Bouteloua repens (Kunth) Scribn. & Merr. - Arizona, New Mexico, Texas, Mesoamerica, Colombia , Venezuela , West Indies Bouteloua rigidiseta (Steud.) Hitchc. – Texas grama - New Mexico, Texas, Oklahoma, Arkansas, Louisiana, Mexico (Aguascalientes , Durango)Bouteloua scabra (Kunth) Columbus - from Hidalgo to HondurasBouteloua stolonifera Scribn. - San Luis Potosí, Aguascalientes, ZacatecasBouteloua swallenii Columbus - from El Salvador to VenezuelaBouteloua triaena (Trin. ex Spreng.) Scribn. - from Sinaloa to Guatemala]Bouteloua uniflora Vasey – Nealley grama, oneflower grama - Utah, Texas, Coahuila, Zacatecas, Nuevo León, Querétaro , Oaxaca, San Luis Potosí, TamaulipasBouteloua vaneedenii Pilg. - Cuba, Leeward Islands , VenezuelaBouteloua warnockii Gould & Kapadia – Warnock's grama - New Mexico, Texas, Sonora, Chihuahua, Coahuila, Nuevo León, Tamaulipas, ZacatecasBouteloua williamsii Swallen - Mexico, Guatemala, HondurasSome grass species, formerly classified under Bouteloua , have been reclassified under other genera including:
Cathestecum Chondrosum Neobouteloua 
