Luziola (watergrass) is a genus of New World in the grass family, native to North and South America including the West Indies.

Species

• Luziola bahiensis (Steud.) Hitchc. - South America (Colombia to Argentina), Greater Antilles, Central America, USA (FL AL MS)
• Luziola brasiliana Moric. - Venezuela (Portuguesa, Apure, Bolívar, Barinas, Guárico), Brazil (Piauí, Bahia)
• Luziola brasiliensis (Trin.) Swallen - Venezuela (Guárico), Brazil (Piauí, Rio de Janeiro, São Paulo, Santa Catarina, Rio Grande do Norte)
• Luziola caespitosa Swallen - Brazil (Bahia)
• Luziola divergens Swallen - Minas Gerais
• Luziola fluitans (Michx.) Terrell & H.Rob. - Mexico, Guatemala, USA (TX LA AR MS AL GA FL NC SC)
• Luziola fragilis Swallen - Costa Rica, Venezuela (Guárico), Bolivia (Beni), Brazil (Mato Grosso, Minas Gerais, Paraná)
• Luziola gracillima Prodoehl - Mexico, Paraguay, Argentina
• Luziola peruviana J.F.Gmel. - Cuba; Latin America from Mexico to Uruguay; naturalized in United States (TX LA FL)
• Luziola spruceana Benth. ex Döll - Honduras, Trinidad, Brazil, Paraguay
• Luziola subintegra Swallen - from Mexico + Greater Antilles to Paraguay; naturalized in Florida

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