Mesembryanthemum horizontale Mesembryanthemum defoliatum Aridaria barkerae Aridaria defoliata Aridaria horizontalis Aridaria longisepala Aridaria meridiana Aridaria muirii Aridaria noctiflora subsp. defoliata Sphalmanthus defoliatus Nycteranthus defoliatus Nycteranthus horizontalis Nycteranthus longisepalus Nycteranthus muirii Mesembryanthemum clavatum Nycteranthus meridianus Peratetracoilanthus defoliatus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024