| armenia | | melanelixia fuliginosa subsp. glabratula | subspecies | 2 | 0 |
| canada | | melanelixia fuliginosa subsp. glabratula | subspecies | 5 | 0 |
| denmark | | melanelixia fuliginosa subsp. glabratula | subspecies | 2 | 0 |
| estonia | | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| finland | | melanelixia fuliginosa | species | 1 | 0 |
| greece | | melanelixia fuliginosa subsp. glabratula | subspecies | 2 | 0 |
| italy | friuli-venezia giulia autonomous region | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| morocco | | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| netherlands | | melanelixia fuliginosa | species | 5 | 0 |
| norway | | melanelixia fuliginosa | species | 1 | 0 |
| poland | | melanelixia fuliginosa | species | 2 | 0 |
| portugal | | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| spain | | melanelixia fuliginosa | species | 10 | 0 |
| spain | | melanelixia fuliginosa subsp. glabratula | subspecies | 19 | 0 |
| spain | andalusia | melanelixia fuliginosa | species | 3 | 0 |
| spain | castile and leon | melanelixia fuliginosa | species | 4 | 0 |
| spain | la rioja | melanelixia fuliginosa | species | 7 | 0 |
| spain | madrid | melanelixia fuliginosa | species | 3 | 0 |
| sweden | | melanelixia fuliginosa | species | 40 | 0 |
| sweden | | melanelixia fuliginosa subsp. glabratula | subspecies | 26 | 0 |
| switzerland | | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| turkey | | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| united kingdom | | melanelixia fuliginosa subsp. glabratula | subspecies | 6 | 0 |
| united kingdom | england | melanelixia fuliginosa subsp. glabratula | subspecies | 1 | 0 |
| united kingdom | scotland | melanelixia fuliginosa subsp. glabratula | subspecies | 11 | 0 |
| united states | | melanelixia fuliginosa | species | 1 | 0 |
| united states | | melanelixia fuliginosa subsp. glabratula | subspecies | 39 | 0 |
| united states | california | melanelixia fuliginosa | species | 6 | 0 |