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CCDB → Angiosperms → Leguminosae → Acmispon
| Taxon name | Status | Median (n) |
| Hosackia purshiana Benth. | Synonym of Acmispon americanus (Nutt.) Rydb. | 7 |
| Lotus helleri Britton | Synonym of Acmispon americanus (Nutt.) Rydb. | 7 |
| Lotus humistratus (Benth.) Greene | Synonym of Acmispon brachycarpus (Benth.) D. D. Sokoloff | 6 |
| Lotus denticulatus (Drew) Greene | Synonym of Acmispon denticulatus (Drew) D. D. Sokoloff | 6 |
| Lotus salsuginosus Greene | Synonym of Acmispon maritimus (Nutt.) D. D. Sokoloff | 7 |
| Lotus salsuginosus var. brevivexillus Ottley | Synonym of Acmispon maritimus (Nutt.) D. D. Sokoloff | 7 |
| Lotus micranthus Benth. | Synonym of Acmispon parviflorus (Benth.) D. D. Sokoloff | 7 |
| Lotus subpinnatus Lag. | Synonym of Acmispon subpinnatus (Lag.) D. D. Sokoloff | 6 |
| Lotus wrangelianus Fisch. & C. A. Mey. | Synonym of Acmispon wrangelianus (Fisch. & C. A. Mey.) D. D. Sokolof | 7 |