There were 2 illustrations found for M. Wright-Gill
Paspalum urvillei SteudelD.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 144 (1972) [M. Wright-Gill]
Sorghum halepense (L.) Pers. {80 534232 Holcus halepensis L.}D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 172 (1972) [M. Wright-Gill]