Cosmibuena matudae (Standl.) L.O. Williams in Fieldiana, Bot. Ser. 31: 45. 1965 sec. Borhidi 2006
- ≡Hillia matudae Standl. in Publ. Field Mus. Nat. Hist., Bot. Ser. 22: 51. 1940 syn. sec. The Plant List 2013
- =Cosmibuena holdridgei Monach. in Phytologia 3: 64. 1949 syn. sec. Borhidi 2006