| Ranunculus rigescens Turcz. ex Trautv. | |
| Publ. & Syn. | Trautv., Increm. Fl. Phaenog. Ross. 1: 48 (1882). Described from the Irkutsk area (Siberia). |
| Notes | We have no further information about Ranunculus rigescens, stated to belong in the R. arcticus affinity. A nearer affinity with the R. monophyllos or R. auricomus aggregates cannot be excluded. |
| Chromosomes | 32 (4x). - Tzvelev (2001a, secondary report). |
| Geography | Asian (N/C): RUS. |
| Distribution | N = S E = R UN = r [ key ] |
| Parent taxon | Ranunculus L. |
| PAF ID | 361221 |