There were 2 illustrations found for C.E. Darter
Napoleona vogelii Hook. & PlanchonKew Bull., vol. 17 : p. 167, fig. 2 (1963-1964) [C.E. Darter]
Napoleonaea beninensis JongkindKew Bull., vol. 70 fasicle 6, : p. 26, fig. 10 (2015) [C.E. Darter]
Napoleona vogelii Hook. & PlanchonNapoleonaea beninensis Jongkind