Beckmannia syzigachne (Steudel) Fernald
      
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Beckmannia syzigachne (Steudel) Fernald {80 746170 Panicum syzigachne Steudel} Gramineae
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 123 (1972) [M. Barnas-Pomeroy]