Aristida riparia Trin.
      
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2 87465 Aristida riparia Trin. Gramineae
C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 2(3): fasicle 79, (Gramineae II): p. 24, t. 6 (1878) [J. Huegel & J.C. Doell]