Martínez-Azorín, M.; Crespo, M. B.; Alonso-Vargas, M. Ángeles; Pinter, M. Eliokarmos humanii (Hyacinthaceae, Ornithogaloideae), a New Species from Namaqualand in South Africa and a New Combination in the Genus. Phytotaxa 2020, 474, 87–92.