Dussia cuscatlanica (Standl.) Standl. & Steyerm. in Publ. Field Mus. Nat. Hist., Bot. Ser. 22(5): 341. 1940 sec. Téllez-Valdés 2009
- ≡Cashalia cuscatlanica Standl. in J. Wash. Acad. Sci. 13(20): 441-442. 1923 syn. sec. Téllez-Valdés 2009
- =Dussia grandifrons I.M. Johnst. in J. Arnold Arbor. 19(2): 118-119. 1938 syn. sec. Téllez-Valdés 2009