Triplasis is a genus of North American plants in the grass family. Sandgrass is a common name for plants in this genus. Species 1. \n* Triplasis americana P.Beauv. - southeastern United States (LA MS AL GA FL SC NC) 2. \n* Triplasis purpurea (Walter) Chapm. - Canada (Ontario), widespread in United States (primarily East Coast, Great Plains, + Great Lakes regions), Mexico (Tabasco), Costa Rica, Hondurasformerly included see Tripogon \n* Triplasis setacea - Tripogon spicatus