Tridens (plant)

Tridens is a genus of perennial grasses in the family Poaceae native to the Americas.


 * Species


 * Tridens albescens (Vasey) Wooton & Standl. - southwest + south-central USA (AZ NM TX LA AR OK KS), Mexico (Chihuahua, Durango, Coahuila, Tamaulipas, Nuevo León)
 * Tridens ambiguus (Elliott) Schult. – pine barren fluffgrass - southeastern USA (TX LA MS AL GA FL SC NC)
 * Tridens brasiliensis (Nees ex Steud.) Parodi - Brazil, Paraguay, Uruguay, Argentina
 * Tridens buckleyanus (Vasey ex L.H.Dewey) Nash - Texas
 * Tridens carolinianus (Steud.) Henrard - southeastern USA (LA MS AL GA FL SC NC)
 * Tridens congestus (L.H.Dewey) Nash – pink fluffgrass USA (AZ TX)
 * Tridens eragrostoides (Vasey & Scribn.) Nash – lovegrass tridens - southern USA (TX AZ NM AL FL), Mexico, Cuba, Venezuela
 * Tridens flaccidus (Döll) Parodi - Brazil, Guyana, Venezuela, Colombia
 * Tridens flavus (L.) Hitchc. – purpletop - Ontario, eastern + central USA, Nuevo León
 * Tridens hackelii (Arechav.) Parodi - Brazil, Uruguay, Argentina
 * Tridens muticus (Torr.) Nash – slim tridens - southwestern + south-central USA (CA NV AZ UT CO NM TX OK KS MO AR LA), Mexico (Baja California, Sonora, Chihuahua, Durango, Coahuila, Zacatecas, Nuevo León, Querétaro, San Luis Potosí, Tamaulipas)
 * Tridens nicorae Anton - northern Argentina
 * Tridens × oklahomensis (Feath.) Feath. - Oklahoma  (hybrid T. flavus × T. strictus)
 * Tridens riograndensis Acedo & Llamas - Rio Grande do Sul in Brazil
 * Tridens strictus (Nutt.) Nash – longspike tridens - southeastern + south-central USA (from TX to FL to IL + PA)
 * Tridens texanus (S. Watson) Nash - USA (TX NM), Mexico (Chihuahua, Durango, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí)

• see Dasyochloa Diplachne Erioneuron
 * Formerly included

• Tridens avenaceus - Erioneuron avenaceum

• Tridens capensis - Diplachne fusca

• Tridens duartei - Diplachne fusca subsp. uninervia

• Tridens grandiflorus - Erioneuron avenaceum

• Tridens indicus - Diplachne fusca

• Tridens nealleyi - Erioneuron avenaceum var. nealleyi

• Tridens pulchellus - Dasyochloa pulchella

• Tridens veralensis - Diplachne fusca subsp. fascicularis

• Tridens verticillata - Diplachne fusca subsp. uninervia

• Tridens virens - Diplachne fusca subsp. fascicularis