Tridens (plant)

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

Species

13 species are accepted.

• Tridens albescens <small>(Vasey) Wooton & Standl.</small> - southwest + south-central USA (AZ NM TX LA AR OK KS), Mexico (Chihuahua, Durango, Coahuila, Tamaulipas, Nuevo León)
• Tridens ambiguus <small>(Elliott) Schult.</small> &ndash; pine barren fluffgrass - southeastern USA (TX LA MS AL GA FL SC NC)
• Tridens brasiliensis <small>(Nees ex Steud.) Parodi</small> - Brazil, Paraguay, Uruguay, Argentina
• Tridens carolinianus <small>(Steud.) Henrard</small> - southeastern USA (LA MS AL GA FL SC NC)
• Tridens chapmanii – south-central and southeastern United States to New Jersey
• Tridens congestus <small>(L.H.Dewey) Nash</small> &ndash; pink fluffgrass USA (AZ TX)
• Tridens flaccidus <small>(Döll) Parodi</small> - Brazil, Guyana, Venezuela, Colombia
• Tridens flavus <small>(L.) Hitchc.</small> &ndash; purpletop - Ontario, eastern + central USA, Nuevo León
• Tridens hackelii <small>(Arechav.) Parodi</small> - Brazil, Uruguay, Argentina
• Tridens nicorae <small>Anton</small> - northern Argentina
• Tridens × oklahomensis <small>(Feath.) Feath.</small> - Oklahoma (hybrid T. flavus × T. strictus)
• Tridens riograndensis <small>Acedo & Llamas</small> - Rio Grande do Sul in Brazil
• Tridens strictus <small>(Nutt.) Nash</small> &ndash; longspike tridens - southeastern + south-central USA (from TX to FL to IL + PA)
• Tridens texanus <small>(S. Watson) Nash</small> - USA (TX NM), Mexico (Chihuahua, Durango, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí)

References

External links

• Jepson Manual: Tridens
• USDA Plants Profile