Piresia is a genus of South American plants in the grass family.Swallen, Jason Richard 1964. Two new genera of Olyreae from South America. Phytologia 11(3): 152-154 in English except short descriptions in LatinTropicos, Piresia Swallen Grassbase - The World Online Grass FloraGiraldo-Cañas, D. 2000. Nuevos registros de Bambúes herbáceos (Poaceae) para la Flora de Colombia. Hickenia 3(16): 55–56Soderstrom, T. R. 1982. New species of Cryptochloa and Piresia (Poaceae: Bambusoideae). Brittonia 34(2): 199–209
SpeciesKew World Checklist of Selected Plant FamiliesThe Plant List search for Piresia Piresia goeldii Swallen - French Guiana, Suriname, Venezuela (Amazonas), Colombia (Amazonas), Ecuador, Peru (Loreto), Brazil (Pará, Amazonas, Rondônia) Piresia leptophylla Soderstr. - Colombia (Amazonas), Ecuador, Peru, Brazil(Pernambuco, Amazonas, Bahia), Trinidad and Tobago Piresia macrophylla Soderstr. - French Guiana, Peru (San Martín, Loreto), Brazil (Amazonas, Rondônia, Acre) Piresia palmula M.L.S.Carvalho & R.P.Oliveira - Brazil (Bahia) Piresia sympodica (Döll) Swallen - Venezuela, French Guiana, Suriname, Guyana, Colombia, Ecuador, Peru, Brazil, Trinidad and Tobago
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