| Common Name | Species Name | Origin | Comments |
| LEMMINGS | |||
| True Lemming | Lemmus lemmus | Norway, Sweden, Finland, NW Russia |   |
| L. sibiricus | Arctic Russia (White Sea to Bering Straits), N America (Alaska to Baffin Island and British Columbia) | ||
| L. amurensis | E Siberia | ||
| Steppe Lemming (Sagebrush Vole) | Lagurus lagurus | Steppe regions of Ukraine as far east as W Mongolia and Sinkiang, China |   |
| L. luteus | Kazakh and C Mongolia | ||
| L. curtatus | W USA (Great Basin and Great Plains regions), Canada (Great Plains region, inc. Alberta and Sasketchwan | ||
| Collared Lemming | Dicrostonyx torquatus | Tundra regions of NE Europe and Siberia |   |
| D. groenlandicus | Alaska, NW and N Canada and Greenland | ||
| D. exsul | St Lawrence Island, Canada | ||
| D. hudsonius | Canada (N Quebec, Newfoundland) | ||
| VOLES | |||
| Bank Vole | Lethrionomys glareclus | Europe inc. Britain, Eurasia |   |
| Field Vole Short-Tailed Vole |
Microtus agresticus | Europe inc. Britain, Eurasia |   |
| Heather Vole | Phenacomys spp | Sub-Arctic Canada and W USA as far as California |   |
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