There were 2 illustrations found for F. Keller
Sparganium sp.H.G.A. Engler, Pflanzenr., vol. 10 [Heft 2], (Sparganiaceae): p. 12, fig. 3 (1900)
Sparganium sp.H.G.A. Engler, Pflanzenr., vol. 10 [Heft 2], (Sparganiaceae): p. 19, fig. 4 (1900)
Sparganium sp.W. Griffith, Ic. Pl. Asiat., vol. 3 : t. 166, fig. 1 (1851) [W. Griffith]
Sparganium sp.W. Griffith, Ic. Pl. Asiat., vol. 3 : t. 168 (1851) [W. Griffith]
Sparganium sp.V.L. Komarov (Komorov), Fl. URSS, vol. 1 : p. 229, t. 11, fig. 1-12 (1934-1964)
205571Carica papaya L.
The Garden, vol. 15 : p. 353 (1879)
215122Cecropia peltata L.
The Garden, vol. 15 : p. 371 (1879)