Goldblatt & J.C.Manning (G.J.Lewis) 1996 - Goldblatt P, Manning JC (1996) Two New Edaphic Endemic Species and Taxonomic Changes in Gladiolus (Iridaceae) of Southern Africa, and Notes on Iridaceae Restricted to Unusual Substrates. Novon 6(2): 172. doi: 10.2307/3391915.
There is no corrections for Gladiolus variegatus yet.