Thyrasperma helianthoides N.E.Br. in Phillips, Gen. S. Afr. Fl. Pl.: 256. 1926 Thyrasperma helianthoides N.E.Br. in Phillips, Gen. S. Afr. Fl. Pl.: 256. 1926Type: "LT designated by Gerbaulet & Ihlenfeldt (1990: 512): Stephens 7169 (K)"1This name is not assigned to any taxon.1. Hartmann, H. E. K. 2017 – In: Hartmann, H. E. K., Illustrated handbook of succulent plants. Aizoaceae, ed. 2. – Berlin: Springer