There were 2 illustrations found for A.H. Baldwin
619510Sagittaria montevidensis Cham. & Schltdl.
[Lophotocarpus spatulatus J.G.Sm.]
Annual Rep. Missouri Bot. Gard., vol. 11 : t. 57 (1900)
898055Sagittaria graminea [Sagittaria eatonii J.G.Sm.]
Annual Rep. Missouri Bot. Gard., vol. 11 : t. 58 (1900)