CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Bryophytes → Polytrichaceae → Dawsonia
| Taxon name | Status | Median (n) |
| Dawsonia beccarii Broth. & Geh. | Accepted | 7 |
| Dawsonia longiseta Hampe | Accepted | 7 |
| Dawsonia polytrichoides R. Br. | Accepted | 7 |
| Dawsonia superba var. pulchra (Wijk) Zanten | Accepted | 7 |
| Dawsonia crispifolia Dixon | Synonym of Dawsonia beccarii var. limbata (Dixon) Zanten & P. Heukels | 7 |