Aspidosperma darienense Woodson ex Dwyer in Ann. Missouri Bot. Gard. 53(1): [104]. 1966.

Holotype:— PANAMA. Darién: Between Río Chucunaque and Río Canglon, 12 Jun 1961, O. Sexton & D. Knight s.n. (MO [barcode MO-2958523 image!]) .

= Aspidosperma helstonei Donsel. in Acta Bot. Neerl. 21(3): [253]. 1972. Holotype:— SURINAME. Brokopondo: E bank of Suriname River, just SW of Redi Doti, 27 Jul 1964, J. van Donselaar 1487 (U [barcode U0000474 image!]; isotypes: K [barcode K000587702 image]!, NY [barcode 00297970 image!]).

“ Aspidosperma alstonii ” von Don, mss. in sched.

“ Aspidosperma amapa ” Markgr., mss. in sched.

“ Aspidosperma dukei ” Dwyer, mss. in sched.