The occurrence of Oplismenopsis Parodi in Brazil is documented, based on collections from Rio Grande do Sul. This paper presents the description, geographic distribution, environmental preferences and phenological data of its single species, Oplismenopsis najada (Hack. & Arechav.) Parodi, now formally incorporated into the Brazilian flora, as a native species.
Brazil; flora; Gramineae; Oplismenopsis; Rio Grande do Sul
