| microtus montanus nanus | | USA: Utah, Summit Co, Kamas, 0.5 mi S, 5.5 mi E | | 549440345 |
| microtus montanus nanus | | USA: Utah, Summit Co, Kamas, 0.5 mi S, 5.5 mi E - L R Heaney 6/20/92 | | 549440101 |
| microtus montanus nanus | | USA: Utah, Summit Co, Kamas, 0.5 mi S, 5.5 mi E | | 549439853 |