GOLDBLATT, P., J. C. MANNING, J. DAVIES, V. SAVOLAINEN, and S. REZAI. 2004. “CYANIXIA, A NEW GENUS FOR THE SOCOTRAN ENDEMIC BABIANA SOCOTRANA (IRIDACEAE–CROCOIDEAE)”. Edinburgh Journal of Botany 60 (3): 517-32. https://doi.org/10.1017/S0960428603000398.