Goldblatt & J.C.Manning 2008 - Goldblatt P, Manning JC (2008) Systematics of the southern African genus Ixia (Iridaceae). 1. The I. rapunculoides complex. Bothalia 38: 1-22. doi: 10.4102/abc.v38i1.257.
There is no corrections for Ixia lacerata yet.