GOLDBLATT, P., MANNING, J.C., DAVIES, J., SAVOLAINEN, V. and REZAI, S. (2004) “CYANIXIA, A NEW GENUS FOR THE SOCOTRAN ENDEMIC BABIANA SOCOTRANA (IRIDACEAE–CROCOIDEAE)”, Edinburgh Journal of Botany, 60(3), pp. 517–532. doi:10.1017/S0960428603000398.