| canada | alberta | polemonium caeruleum | species | 4 | 0 |
| japan | hokkaido prefecture | polemonium caeruleum var. yezoense | varietas | 1 | 0 |
| pakistan | | polemonium caeruleum | species | 5 | 0 |
| russia | kamchatka krai | polemonium caeruleum subsp. caeruleum | subspecies | 1 | 0 |
| russia | primorsky krai | polemonium caeruleum var. vulgare | varietas | 1 | 0 |
| united kingdom | | polemonium caeruleum | species | 5 | 0 |