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CCDB → Angiosperms → Leguminosae → Tetragonolobus
| Taxon name | Status | Median (n) |
| Tetragonolobus scandalida Scop. | Unresolved | 7 |
| Tetragonolobus biflorus (Desr.) DC. | Synonym of Lotus biflorus Desr. | 7 |
| Tetragonolobus conjugatus (L.) Link | Synonym of Lotus conjugatus L. | 7 |
| Tetragonolobus conjugatus subsp. requienii (Sanguin.) E. Dominguez & Galian | Synonym of Lotus conjugatus subsp. requienii (Sanguin.) Greuter | 7 |
| Tetragonolobus requienii (Sanguin.) Sanguin. | Synonym of Lotus conjugatus subsp. requienii (Sanguin.) Greuter | 7 |
| Tetragonolobus maritimus (L.) Roth | Synonym of Lotus maritimus L. | 7 |
| Tetragonolobus siliquosus Roth | Synonym of Lotus maritimus L. | 7 |
| Tetragonolobus palaestinus Boiss. & Blanche | Synonym of Lotus palaestinus (Boiss. & Blanche) Blatt. | 7 |
| Tetragonolobus purpureus Moench | Synonym of Lotus tetragonolobus L. | 7 |