Reitzia is a genus of plants in the grass family.Swallen, Jason Richard. 1956. Sellowia 7: 7-8Judziewicz, E. J. 2000. Reitzia. In Catalogue of New World Grasses (Poaceae): I. Subfamilies Anomochlooideae, Bambusoideae, Ehrhartoideae, and Pharoideae. Contributions from the United States National Herbarium 39: 109Carvalho, M. L. & R. P. Oliveira. 2014. (2260) Proposal to conserve the name Piresia against Reitzia (Poaceae, Bambusoideae). Taxon 63(1): 190–191Grassbase - The World Online Grass Flora

The only known species is Reitzia smithii, native to southeastern Brazil (Santa Catarina, São Paulo, Rio de Janeiro).Kew World Checklist of Selected Plant FamiliesFilgueiras, T. S. & A. P. Santos-Gonçalves. 2004. A checklist of the basal grasses and bamboos in Brazil (Poaceae). Journal of the American Bamboo Society 18(1): 7–18.Silva, C., M. Conde & H. M. Longhi-Wagner. 2012. Olyreae (Poaceae: Bambusoideae) da Marambaia, Rio de Janeiro, Brasil. Rodriguésia 63(5): 357–372

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