Xyridaceae

The Xyridaceae are a family of flowering plants. This family has been recognized by many taxonomists and is known as the yellow-eyed grass family.

Abolboda is a genus of flowering plants, traditionally and nowadays (Kubitzki system and APG IV) assigned to family Xyridaceae. It is native to tropical South America and to the island of Trinidad, generally on marshy savanna.

Orectanthe is a genus of flowering plants, in the family Xyridaceae, first described as a genus in 1958. It is native to the tepui of northern South America (Venezuela, Guyana, and northwestern Brazil). It is closely related to Abolboda, and both known species were originally classified as members of Abolboda before being transferred to Orectanthe.

Achlyphila is a genus of plants in the Xyridaceae, first described as a genus in 1960. It contains only one known species, Achlyphila disticha, endemic to the Serranía de la Neblina National Park in the State of Amazonas in southern Venezuela, very close to the border with Brazil.

Aratitiyopea is a monotypic genus of flowering plants, in the family Xyridaceae containing the single species Aratitiyopea lopezii. The genus was erected and described in 1984. This species is native to northern South America (Venezuela, Colombia, Peru, and northwestern Brazil).