Argeta petrensis N.E.Br. in Gard. Chron., ser. 3, 83: 114. 1927 Argeta petrensis N.E.Br. in Gard. Chron., ser. 3, 83: 114. 1927is basionym for Gibbaeum petrense (N.E.Br.) Tischer in Kakteen And. Sukk. 1: 151. 1937Taxon for this nameArgeta petrensis N.E.Br.