| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Aeschynomene marginata Benth. var. marginata | G. Gardner 2098 | Brazil. Piauí. Oeiras Mun. Prope Oeiras. | isosyntype | 5005 |  |
| Aeschynomene marginata var. grandiflora Benth. | G. Gardner 2099 | Brazil. Piauí. Oeiras Mun. Prope Oeiras. | isotype | 5022 |  |
| Aeschynomene marginata var. grandiflora Benth. | G. Gardner 2099 s.d. | Brazil. Piauí. Oeiras Mun. Prope Oeiras. | isotype | 5004 |  |
| Aeschynomene marginata Benth. var. marginata | G. Gardner 2098 | Brazil. Piauí. | isosyntype | 5006 |  |