CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Bryophytes → Aytoniaceae → Mannia
| Taxon name | Status | Median (n) |
| Mannia fragrans (Balb.) Frye & L. Clark | Accepted | 9 |
| Mannia levigata Shimizu & S. Hatt. | Accepted | 9 |
| Mannia pilosa (Hornem.) Frye & L. Clark | Accepted | 9 |
| Mannia triandra (Scop.) Grolle | Accepted | 9 |
| Mannia barbifrons Shimizu & S. Hatt. | Unresolved | 9 |
| Mannia brachypoda Shimizu & S. Hatt. | Unresolved | 9 |