Ruschia laxa (Willd.) Schwantes in Natl. Cact. Succ. J. 4: 58. 1949 Ruschia laxa (Willd.) Schwantes in Natl. Cact. Succ. J. 4: 58. 1949is new combination for Mesembryanthemum laxum Willd., Enum. Pl.: 536. 1809Taxon for this nameRuschia laxa (Willd.) Schwantes in Natl. Cact. Succ. J. 4: 58. 1949