CCDB → Angiosperms → Plantaginaceae → Synthyris
| Taxon name | Status | Median (n) |
| Synthyris borealis Pennell | Accepted | 12 |
| Synthyris missurica (Raf.) Pennell | Accepted | 12 |
| Synthyris pinnatifida S. Watson | Accepted | 12 |
| Synthyris pinnatifida var. canescens (Pennell) Cronquist | Accepted | 12 |
| Synthyris platycarpa Gail & Pennell | Accepted | 12 |
| Synthyris reniformis (Douglas) Benth. | Accepted | 12 |
| Synthyris stellata Pennell | Accepted | 12 |
| Synthyris missurica subsp. missurica | Synonym of Synthyris missurica (Raf.) Pennell | 12 |
| Veronica missurica Raf. | Synonym of Synthyris missurica (Raf.) Pennell | 12 |
| Synthyris pinnatifida var. pinnatifida | Synonym of Synthyris pinnatifida S. Watson | 12 |