Tridens (plant)
Tridens is a genus of perennial grasses in the family Poaceae native to the Americas.
Species
13 species are accepted.Tridens albescens Wooton & Standl. - southwest + south-central USA, Mexico Tridens ambiguus Schult. - pine barren fluffgrass - southeastern USA Tridens brasiliensis Parodi - Brazil, Paraguay, Uruguay, ArgentinaTridens carolinianus Henrard - southeastern USA Tridens chapmanii – south-central and southeastern United States to New JerseyTridens congestus Nash - pink fluffgrass USA Tridens flaccidus Parodi - Brazil, Guyana, Venezuela, ColombiaTridens flavus Hitchc. - purpletop - Ontario, eastern + central USA, Nuevo LeónTridens hackelii Parodi - Brazil, Uruguay, ArgentinaTridens nicorae Anton - northern ArgentinaTridens × oklahomensis Feath. - Oklahoma Tridens riograndensis Acedo & Llamas - Rio Grande do Sul in BrazilTridens strictus Nash - longspike tridens - southeastern + south-central USA Tridens texanus'' Nash - USA, Mexico; Formerly included