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CCDB → Angiosperms → Apocynaceae → Trichocaulon
| Taxon name | Status | Median (n) |
| Trichocaulon alstonii N. E. Br. | Accepted | 11 |
| Trichocaulon annulatum N. E. Br. | Accepted | 11 |
| Trichocaulon cactiforme N. E. Br. | Accepted | 11 |
| Trichocaulon clavatum (Willd.) Huber | Accepted | 11 |
| Trichocaulon dinteri Berger | Accepted | 11 |
| Trichocaulon flavum N. E. Br. | Accepted | 11 |
| Trichocaulon officinale N. E. Br. | Accepted | 11 |
| Trichocaulon perlatum Dinter | Accepted | 11 |
| Trichocaulon simile N. E. Br. | Accepted | 11 |
| Trichocaulon sinus-luederitzii Dinter | Accepted | 11 |
| Trichocaulon triebneri Nel | Accepted | 11 |
| Trichocaulon columnare Nel | Synonym of Riocreuxia torulosa Decne. | 11 |