| Name | Caltha natans Pallas |
| Authorship | Pallas |
| Rank | Species |
| Placed in | Caltha Linnaeus |
| Citation | 1776 Reise Russ. Reich. 3:284 |
| Holdings | 41 Specimens held in the Harvard University Herbaria identified as Caltha natans Pallas |
| Identification made in | [no date] (39), 1939 (1), 1946 (1) |