| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Strychnos duckei Krukoff & Barneby | W. A. Ducke 1771 30 Nov 1945 | Brazil. Amazonas. Tabatinga, loco Marco. | type | 297428 |  |
| Strychnos duckei Krukoff & Barneby | W. A. Ducke 1771 30 Nov 1945 | Brazil. Amazonas. Tabatinga, loco Marco. | type | 297429 |  |
| Strychnos duckei Krukoff & Monach. | L. R. Marinho 285 Feb/22/1976 | Brazil. Acre. Cruzeiro do Sul Mun. Proj. RADAM - Sub-base de Cruzeiro do Sul - Ponto 7 - SB-18-ZD. |