| canada | british columbia | dryas drummondii | species | 1 | 0 |
| canada | british columbia | purshia tridentata | species | 3 | 0 |
| canada | manitoba | dryas integrifolia | species | 2 | 0 |
| canada | newfoundland and labrador | dryas integrifolia | species | 2 | 0 |
| canada | northwest territories | dryas ajanensis | species | 2 | 0 |
| canada | northwest territories | dryas integrifolia | species | 10 | 0 |
| canada | nunavut | dryas integrifolia | species | 11 | 0 |
| canada | yukon | dryas drummondii | species | 3 | 0 |
| canada | yukon | dryas integrifolia | species | 2 | 0 |
| canada | yukon | dryas octopetala | species | 1 | 0 |
| france | | dryas octopetala | species | 1 | 0 |
| greenland | | dryas integrifolia x dryas octopetala | species | 4 | 0 |
| iceland | | dryas octopetala | species | 3 | 0 |
| japan | | dryas octopetala | species | 1 | 0 |
| japan | hokkaido prefecture | dryas octopetala | species | 3 | 0 |
| japan | hokkaido prefecture | dryas octopetala var. asiatica | varietas | 2 | 0 |
| mongolia | | dryas octopetala | species | 9 | 0 |
| norway | svalbard | dryas octopetala | species | 1 | 0 |
| russia | | dryas grandis | species | 1 | 0 |
| russia | | dryas incisa | species | 1 | 0 |
| russia | sakha republic | dryas punctata | species | 1 | 0 |
| russia | sakhalin oblast | dryas octopetala | species | 8 | 0 |
| sweden | | dryas octopetala | species | 14 | 0 |
| united kingdom | | dryas octopetala | species | 1 | 0 |
| united states | alaska | dryas octopetala | species | 15 | 0 |
| united states | california | purshia tridentata | species | 20 | 0 |
| united states | idaho | purshia tridentata | species | 10 | 0 |
| united states | nevada | purshia tridentata | species | 10 | 0 |
| united states | oregon | purshia tridentata | species | 28 | 0 |
| united states | utah | purshia tridentata | species | 13 | 0 |
| united states | washington | purshia tridentata | species | 5 | 0 |
| united states | wyoming | purshia tridentata | species | 5 | 0 |