| Potamogeton berchtoldii Fieber | |
| Publ. & Syn. | Potamogeton pusillus auct., non L. (1753). |
| Notes | Greenland is omitted. All studied Greenland specimens annotated as Potamogeton berchtoldii (or rather as P. pusillus) have been re-identified as P. groenlandicus. |
| Chromosomes | 26 (2x). - Europe, Canada, Greenland. - Several reports. |
| Geography | Circumboreal-polar: ICE NOR RUS SIB RFE ALA CAN. |
| Distribution | N = F AN = r Ic = r E = R CC = r HL = r FN = r CE = s CS = r UN = r YK = r AW = r CW = r KP = r [ key ] |
| Parent taxon | Potamogeton L. |
| PAF ID | 240117 |