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CCDB → Angiosperms → Campanulaceae → Downingia
| Taxon name | Status | Median (n) |
| Downingia bacigalupii Weiler | Accepted | 12 |
| Downingia bella Hoover | Accepted | 11 |
| Downingia bicornuta A. Gray | Accepted | 11 |
| Downingia concolor Greene | Accepted | 8 |
| Downingia elegans (Douglas) Torr. | Accepted | 10 |
| Downingia insignis Greene | Accepted | 11 |
| Downingia laeta (Greene) Greene | Accepted | 11 |
| Downingia montana Greene | Accepted | 11 |
| Downingia ornatissima Greene | Accepted | 12 |
| Downingia pulchella (Lindl.) Torr. | Accepted | 11 |
| Downingia pusilla (G. Don) Torr. | Accepted | 11 |
| Downingia yina Applegate | Accepted | 8 |
| Downingia cuspidata Greene ex Jeps. | Unresolved | 11 |
| Downingia humilis (Greene) Rattan | Synonym of Downingia pusilla subsp. humilis (Greene) Lammers | 11 |