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 → Angiosperms → Saxifragaceae → Peltoboykinia
| Taxon name | Status | Median (n) |
| Peltoboykinia tellimoides (Maxim.) H. Hara | Accepted | 11 |
| Peltoboykinia watanabei (Yatabe) Hara | Unresolved | 11 |