| canada | northwest territories | juncus triglumis var. albescens | varietas | 3 | 0 |
| canada | nunavut | juncus triglumis var. albescens | varietas | 5 | 0 |
| greenland | | juncus triglumis var. albescens | varietas | 4 | 0 |
| norway | | juncus triglumis | species | 2 | 0 |
| united kingdom | | juncus triglumis | species | 1 | 0 |