Tanaecium caudiculatum (Standl.) L.G. Lohmann in Ann. Missouri Bot. Gard. 99: 348–489. 2014 sec. Lohmann & Taylor 2014
- ≡Petastoma caudiculatum Standl. in Publ. Field Mus. Nat. Hist., Bot. Ser. 11(4): 141–142. 1932 syn. sec. ???
- =Mussatia caudiculata (Standl.) Seibert in Publ. Carnegie Inst. Wash. 522: 418. 1940 syn. sec. Lohmann & Taylor 2014
- =Pseudocatalpa caudiculata (Standl.) A.H. Gentry in Brittonia 25: 24. 1973 syn. sec. ???