There were 3 illustrations found for R.S. Cowan
-1Mem. New York Bot. Gard., vol. 10(): : p. 148, fig. 17 () [R.S. Cowan]
019_0_0_390529 [title_page]
Mem. New York Bot. Gard., vol. 10 : p. 154, t. 0, fig. 0 (1958) [R.S. Cowan]
323187 Decagonocarpus cornutus R.S.CowanMem. New York Bot. Gard., vol. 10(): : p. 154, fig. 18 () [R.S. Cowan]