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