There were 3 illustrations found for R.K. Godfrey
Sparganium americanum Nutt.D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 30 (1972) [R.K. Godfrey]
Limnobium spongia (Bosc) Steudel {80 540878 Hydrocharis spongia Bosc}D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 71 B (1972) [R.K. Godfrey]
Vallisneria americana Michx.D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 72 (1972) [R.K. Godfrey]