Stenachaenium is a genus of South Americaan plants in the daisy family. Species 1. \n* Stenachaenium adenanthum (Sch.Bip. ex Krasch.) Krasch. - Brazil (Paraná, Rio Grande do Sul, Santa Catarina, São Paulo) 2. \n* Stenachaenium campestre Baker - Brazil (Paraná, Rio Grande do Sul, Santa Catarina), Argentina (Misiones, Corrientes, Entre Ríos), Paraguay (Guairá), Uruguay (Cerro Largo, Montevideo, Colonia, San José, Soriano) 3. \n* Stenachaenium macrocephalum Benth. ex Benth. & Hook.f. - Brazil (Paraná, Rio Grande do Sul) 4. \n* Stenachaenium megapotamicum (Spreng.) Baker - Brazil (Rio Grande do Sul, Santa Catarina) 5. \n* Stenachaenium riedelii Baker - Brazil (Paraná, Rio Grande do Sul, Santa Catarina, São Paulo)