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CCDB → Angiosperms → Campanulaceae → Trachelium
| Taxon name | Status | Median (n) |
| Trachelium caeruleum L. | Accepted | 17 |
| Trachelium lanceolatum Guss. | Accepted | 17 |
| Trachelium asperuloides Boiss. & Orph. | Synonym of Campanula asperuloides (Boiss. & Orph.) Harms | 17 |
| Trachelium taygeteum Quézel & Contandr. | Synonym of Campanula asperuloides subsp. taygetea (Quézel & Contandr.) Greuter & Burdet | 17 |
| Trachelium jacquinii (Sieber) Boiss. | Synonym of Campanula jacquinii (Sieber) A. DC. | 17 |
| Trachelium postii Boiss. | Synonym of Campanula postii (Boiss.) Harms | 17 |
| Trachelium jacquinii subsp. dalgiciorum Özhatay & Dane | Synonym of Campanula rumeliana (Hampe) Vatke | 17 |
| Trachelium jacquinii subsp. rumelianum (Hampe) Tutin | Synonym of Campanula rumeliana (Hampe) Vatke | 17 |
| Trachelium rumelianum Hampe | Synonym of Campanula rumeliana (Hampe) Vatke | 17 |
| Trachelium angustifolium Schousb. | Synonym of Feeria angustifolia (Schousb.) Buser | 17 |
| Trachelium caeruleum | Synonym of Trachelium caeruleum L. | 17 |