Ruschia tetrasepala L.Bolus, Notes Mesembryanthemum 2: 373. 1932
Ruschia tetrasepala, Notes Mesembryanthemum 2: 373. 1932
is basionym for Schlechteranthus tetrasepalus in Taxon 65: 259. 2016
is basionym for Octopoma tetrasepalum in Bradleya 16: 74. 1998