Piresia
Piresia is a genus of South American plants in the grass family.
;Species
- Piresia goeldii Swallen - French Guiana, Suriname, Venezuela, Colombia, Ecuador, Peru, Brazil
- Piresia leptophylla Soderstr. - Colombia, Ecuador, Peru, Brazil, Trinidad & Tobago
- Piresia macrophylla Soderstr. - French Guiana, Peru, Brazil
- Piresia palmula M.L.S.Carvalho & R.P.Oliveira - Brazil
- Piresia sympodica Swallen - Venezuela, French Guiana, Suriname, Guyana, Colombia, Ecuador, Peru, Brazil, Trinidad & Tobago