| canada | british columbia | mesoptychia rutheana | species | 9 | 0 |
| canada | newfoundland and labrador | mesoptychia badensis | species | 7 | 0 |
| germany | bavaria | mesoptychia badensis | species | 5 | 0 |
| norway | svalbard | mesoptychia heterocolpos | species | 2 | 0 |
| norway | svalbard | mesoptychia heterocolpos var. harpanthoides | varietas | 1 | 0 |
| russia | | mesoptychia rutheana | species | 1 | 0 |
| russia | amur oblast | mesoptychia badensis | species | 24 | 0 |
| russia | buryatia republic | mesoptychia heterocolpos | species | 2 | 0 |
| russia | karelia republic | mesoptychia heterocolpos | species | 1 | 0 |
| russia | komi republic | mesoptychia badensis | species | 2 | 0 |
| russia | komi republic | mesoptychia collaris | species | 2 | 0 |
| russia | komi republic | mesoptychia heterocolpos | species | 2 | 0 |
| russia | murmansk oblast | mesoptychia rutheana | species | 1 | 0 |
| slovakia | | mesoptychia collaris | species | 2 | 0 |
| sweden | | mesoptychia heterocolpos var. arctica | varietas | 1 | 0 |
| sweden | | mesoptychia heterocolpos var. harpanthoides | varietas | 1 | 0 |
| switzerland | | mesoptychia collaris | species | 1 | 0 |
| switzerland | | mesoptychia heterocolpos | species | 1 | 0 |
| switzerland | valais region | mesoptychia heterocolpos | species | 1 | 0 |
| switzerland | vaud region | mesoptychia collaris | species | 1 | 0 |
| united kingdom | | mesoptychia badensis | species | 1 | 0 |
| united kingdom | scotland | mesoptychia badensis | species | 1 | 0 |
| united states | alaska | mesoptychia heterocolpos | species | 6 | 0 |
| united states | alaska | mesoptychia rutheana | species | 9 | 0 |
| united states | utah | mesoptychia heterocolpos | species | 11 | 0 |