Crassula connata (Ruiz & Pavón) A. Berger et al. [family CRASSULACEAE], in H. G. A. Engler, Nat. Pflanzenfam. ed., 2, 18a: 389. 1930 ,
Tillaea connata Ruiz & Pavón [family CRASSULACEAE], Fl. Peruv., 1: 70, plate 106, fig. a. 1798
Crassula connata var. erectoides M. Bywater & Wickens [family CRASSULACEAE]
Crassula connata var. eremica (Jepson) M. Bywater & Wickens [family CRASSULACEAE]
Crassula connata var. subsimplex (S. Watson) M. Bywater & Wickens [family CRASSULACEAE]
Crassula erecta (Hooker & Arnott) A. Berger [family CRASSULACEAE]
Tillaea erecta Hooker & Arnott [family CRASSULACEAE]
Tillaea leptopetala Bentham [family CRASSULACEAE]