Guapira cuspidata (Heimerl) Lundell in Wrightia 4: 80. 1968 sec. S.L. Maina & al. 2004
- ≡Pisonia cuspidata Heimerl in Bot. Jahrb. Syst. 21: 628. 1896
- ≡Torrubia cuspidata (Heimerl) Standl. in Contr. U.S. Natl. Herb. 18: 100. 1916
- Unknown type category: Trinidad, Caroni R., Eggers 1413
- Unknown type category: Trinidad, Caroni R., Eggers 1430
- =Pisonia schomburgkiana Heimerl, Beitr. Syst. Nyctag.: 34. 1897
- =Torrubia schomburgkiana Standl. in Contr. U.S. Natl. Herb. 18: 101. 1916
- =Guapira schomburgkiana Lundell in Wrightia 4: 83. 1968
