| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Machaerium longifolium Benth. | R. Spruce 1661 Aug 1851 | Brazil. Ad oram septentrionalem flum. Amazonum, ad ostium Rio Negro. | isotype | 16233 |  |
| Machaerium longifolium Benth. | 51483 3-Oct-61 | Brazil. Amapá. Campo. Rio Amapari. |