Aizoon rigidum var. angustifolium Sond. APC legitimate | sensu Council of Heads of Australasian Herbaria (2005), Australian Plant Census
  • An African taxon, recorded as "not yet sufficiently established to be considered naturalised" by A.J.Ewart & B.Rees, Proc. Roy. Soc. Victoria 25: 109 (1912), and not known to be established in Australia.