| Trolliusapertus Perfil. ex Igoschina | |
| Publ. & Syn. | Trollius asiaticus x europaeus. |
| Notes | Rebristaya and Yurtsev: Trollius x apertus is assumed to be a hybrid species derived from T. asiaticus x europaeus (Igoshina 1968). It reaches the Arctic in and around Polar Ural and on Vaigach. It is the predominant and uniform plant in a large area where the proposed parents are absent or rare. |
| Chromosomes | 16 (2x). - Russia (N). - Lavrenko and Serditov (1986b). |
| Geography | European (NE) - Asian (NW): RUS SIB. |
| Distribution | N = F D = S E = F YG = r UN = s [ key ] |
| Parent taxon | Trollius L. |
| PAF ID | 360202 |