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6 503794 Helictotrichon quadridentulum (Döll) Renvoize [125 120699 Avena quadridentula Döll]
C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 2(3): fasicle 79, (Gramineae II): p. 100, t. 29 (1878) [J. Huegel & J.C. Doell]
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