| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, edge of white spruce stand and willow thicket | | 326555352 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, moist white spruce stand near lake | | 326555350 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, edge of white spruce stand and willow thicket | | 326555348 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, edge of white spruce stand and willow thicket | | 326555346 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, edge of white spruce stand and willow thicket | | 326555344 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 22 km E Churchill, CNSC, edge of white spruce stand and willow thicket | | 326555342 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, mossy bog with rare white spruce stand | | 326555340 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, edge of white spruce stand and willow thicket | | 326555338 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Malcolm Ramsay Lake, tundra | | 326555336 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 23 km E Churchill, Ramsay Creek, mossy bog with rare white spruce stand | | 326555334 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, 16 km E Churchill, Bird Cove, Rock Bluff C, spruce thicket in tundra | | 326555332 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, Churchill Northern Studies Centre | | 332166123 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill, Churchill Northern Studies Centre | | 332166127 |
| microtus pennsylvanicus | | Canada: Manitoba, Churchill Northern Studies Centre, Churchill | | 332166163 |
| microtus pennsylvanicus | | Canada: Manitoba, Captive, Captive Born, 19940700, Canada, Manitoba, Churchill, Churchill Northern Studies Centre | | 332166167 |
| microtus pennsylvanicus | | Canada: Manitoba, Captive, Captive Born, 19940700, Canada, Manitoba, Churchill, Churchill Northern Studies Centre | | 332166171 |