Mesembryanthemum elongatum Haw., Observ. Mesembryanthemum 2: 236. 1795
Mesembryanthemum elongatum, Observ. Mesembryanthemum 2: 236. 1795
is basionym for Conicosia elongata in Gartenflora 77: 69. 1928
is basionym for Herrea elongata var. elongata
is basionym for Mesembryanthemum elongatum var. grandiflorum, Saxifrag. Enum. 2: 114. 1821
is basionym for Herrea elongata, Notes Mesembryanthemum 3: 358. 1958