Children (6 direct children, 21 direct and indirect children):
Townsend's vole
Townsend’s vole
Montane vole
(tree size 4)
Pahranagat valley montane vole
Meadow vole
(tree size 11)
Microtus pennsylvanicus
Beach vole
Beach meadow vole
Creeping vole
Microtus oregoni
Gray-tailed vole
Microtus canicaudus