Mesembryanthemum pearsonii N.E.Br. in Bull. Misc. Inform. Kew 1912: 277. 1912
Mesembryanthemum pearsonii in Bull. Misc. Inform. Kew 1912: 277. 1912
is basionym for Argyroderma pearsonii in Monatsschr. Deutsch. Kakteen-Ges. 1: 32. 1929
is basionym for Argyroderma testiculare var. pearsonii in Gard. Chron., ser. 3, 71: 93. 1922