Mesembryanthemum guthrieae L.Bolus in Ann. Bolus Herb. 4: 101. 1927
Mesembryanthemum guthrieae in Ann. Bolus Herb. 4: 101. 1927
is basionym for Oscularia guthrieae in Bradleya 16: 77. 1998
is basionym for Lampranthus guthrieae in Gard. Chron., ser. 3, 87: 212. 1930