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CCDB → Angiosperms → Leguminosae → Indigastrum
| Taxon name | Status | Median (n) |
| Indigofera argyroides E. Mey. | Synonym of Indigastrum argyroides (E. Mey.) Schrire | 7 |
| Indigofera costata subsp. macra (E. Mey.) J. B. Gillett | Synonym of Indigastrum costatum subsp. macrum (E. Mey.) Schrire | 7 |