Coussapoa crassivenosa Mildbr. in Notizbl. Bot. Gart. Berlin-Dahlem 15: 784. 1942 sec. B.J.H. ter Welle & al. 1992
- Holotype: Ecuador, Pastaza, near Mera, Schultze-Rhonhof 2783
- =Coussapoa steyermarkii Cuatrec. in Fieldiana, Bot. 28: 212. 1951
- Holotype: Venezuela, Bolivar, Ptari-tepui, Steyermark 60002a
