Guapira salicifolia (Heimerl) Lundell in Wrightia 4: 83. 1968 sec. S.L. Maina & al. 2004
- ≡Pisonia salicifolia Heimerl in Urban, Symb. Ant. 7: 216. 1912
- ≡Torrubia salicifolia (Heimerl) Standl. in Contr. U.S. Natl. Herb. 18: 101. 1916
Unknown type category: Trinidad, Moruga, Broadway 2421 ( designated by Standley, 1931)
- =Pisonia albiflora Heimerl in Bull. Misc. Inf. 1932: 219. 1932
Holotype: Guyana, Pomeroon Distr., Kabakaburi, de La Cruz 3317 (; isotypes: , US!)
- =Torrubia heimerliana Standl. in Lloydia 2: 177. 1939
- ≡Guapira heimerliana (Standl.) Lundell in Wrightia 4: 81. 1968
Holotype: Guyana, western extremity of Kanuku Mts., in drainage of Takutu R., A.C. Smith 3146 (; isotype: )
