Otachyrium
Otachyrium is a genus of South American plants in the grass family.
; SpeciesOtachyrium aquaticum Send. & Soderstr. - Bahia, Minas GeraisOtachyrium boliviense Renvoize - BoliviaOtachyrium grandiflorum Send. & Soderstr. - Venezuela, Brazil Otachyrium inaequale Pilg. - Guyana, Suriname, French Guiana, Venezuela, Brazil Otachyrium piligerum Send. & Soderstr. - GoiásOtachyrium pterigodium Pilg. - Minas Gerais, Amazonas, D.F.Otachyrium seminudum Send. & Soderstr. - Goiás, Mato Grosso, D.F.Otachyrium versicolor Henrard - Guyana, Suriname, French Guiana, Venezuela, Brazil, Colombia, Bolivia, Paraguay, Argentina