Geographic location
Alectoria
10
Arctic
15
Canada
11
Canadian Arctic Archipelago
1
Ellef Ringnes Island
10
Greenland
1
Happy Valley
10
Hayes
10
Hayes Island
10
Howe Island
10
Isachsen
10
Kharasavey
10
Laborovaya
10
Mould Bay
10
Nivea
10
Northwest Territories
11
Norway
1
Nunavut
1
Prince Patrick Island
10
Ribes
3
Rosales
3
Yamal Peninsula
10