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CCDB → Angiosperms → Compositae → Silybum
| Taxon name | Status | Median (n) |
| Silybum eburneum Coss. & Durieu | Accepted | 17 |
| Silybum marianum (L.) Gaertn. | Accepted | 17 |
| Silybum marianum (L) Gaertn. | Synonym of Silybum marianum (L.) Gaertn. | 17 |
| Silybum marianum var. marianum | Synonym of Silybum marianum (L.) Gaertn. | 17 |