Calothecinae

Rhombolytrum is a genus of grasses. It includes three species native to southern Brazil and Uruguay and central and southern Chile. Rhombolytrum koelerioides Rhombolytrum monandrum Rhombolytrum rhomboideum

Chascolytrum is a genus of plants in the grass family, native to Latin America from Mexico to Chile (including the Juan Fernández Islands).

Erianthecium is a genus of grasses. It includes a single species, Erianthecium bulbosum, a perennial native to southern Brazil and Uruguay.

species of plant

species of plant

Microbriza is a genus of grasses. It includes two species native to southern Brazil. Microbriza brachychaete Microbriza poomorpha

Poidium is a genus of grasses. It includes eight species native to South America, including Colombia, Bolivia, southern and southeastern Brazil, Paraguay, Uruguay, and Argentina.