| canada | british columbia | festuca brachyphylla | species | 15 | 0 |
| canada | northwest territories | festuca brachyphylla subsp. brachyphylla | subspecies | 13 | 0 |
| canada | nunavut | festuca brachyphylla subsp. brachyphylla | subspecies | 12 | 0 |
| canada | yukon | festuca brachyphylla subsp. brachyphylla | subspecies | 4 | 0 |
| greenland | | festuca brachyphylla | species | 9 | 0 |
| united states | alaska | festuca brachyphylla | species | 1 | 0 |
| united states | idaho | festuca brachyphylla subsp. brachyphylla | subspecies | 5 | 0 |