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CCDB → Angiosperms → Asparagaceae → Oncostema
| Taxon name | Status | Median (n) |
| Oncostema maireana Brullo & Giusso & Terrasi | Unresolved | 14 |
| Oncostema lilio-hyacinthus (L.) Speta | Synonym of Scilla lilio-hyacinthus L. | 12 |
| Oncostema monophyllos (Link) Speta | Synonym of Scilla monophyllos Link | 10 |
| Oncostema peruviana (L.) Speta | Synonym of Scilla peruviana L. | 8 |
| Oncostema ramburei (Boiss.) Speta | Synonym of Scilla ramburei Boiss. | 10 |
| Oncostema umbellata (Ramond) Speta | Synonym of Scilla verna Huds. | 11 |
| Oncostema verna (Huds.) Speta | Synonym of Scilla verna Huds. | 11 |