1641596 180559 Callirhoe digitata Nutt. J. Cassin, J.B. Lippincott, Illustrations of the birds of California, Texas, Oregon, British and Russian America: t. 12 (1862)
 
3689736 180559 Callirhoe digitata Nutt. R. Sweet, Brit. Fl. Gard., vol. 2 : t. 129 (1825-1827) [E.D. Smith]