Mesembryanthemum dubium Placement status: name or taxon excluded (unspecific) (Later citation of M. dubium Haw. - no attempt to publish new name)Mesembryanthemum dubium Salm-Dyck, Hort. Dyck.: 163. 1834 sec. The Plant List v. 1.1 20131 wfo-00003702511. TPL.Content