| canada | | eriophorum vaginatum subsp. spissum | subspecies | 2 | 0 |
| canada | northwest territories | eriophorum vaginatum subsp. spissum | subspecies | 5 | 0 |
| canada | nunavut | eriophorum vaginatum subsp. spissum | subspecies | 3 | 0 |
| canada | ontario | eriophorum vaginatum subsp. spissum | subspecies | 1 | 0 |
| united states | | eriophorum vaginatum subsp. spissum | subspecies | 2 | 0 |