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CCDB → Angiosperms → Polemoniaceae → Microsteris
| Taxon name | Status | Median (n) |
| Microsteris gracilis (Douglas) Greene | Accepted | 7 |
| Microsteris gracilis subsp. gracilis | Synonym of Microsteris gracilis (Douglas) Greene | 7 |
| Microsteris gracilis var. humilior (Hook.) Cronquist | Synonym of Microsteris gracilis (Douglas) Greene | 7 |