Alexandromys is a subgenus of voles in the genus Microtus. Species in this subgenus are:

• Clarke's Vole (Microtus clarkei)
• Evorsk Vole (Microtus evoronensis)
• Reed Vole (Microtus fortis)
• Gerbe's Vole (Microtus gerbei)
• Taiwan Vole (Microtus kikuchii)
• Lacustrine Vole (Microtus limnophilus)
• Maximowicz's Vole (Microtus maximowiczii)
• Middendorf's Vole (Microtus middendorffi)
• Mongolian Vole (Microtus mongolicus)
• Japanese Grass Vole (Microtus montebelli)
• Muisk Vole (Microtus mujanensis)
• Tundra Vole or Root Vole (Microtus oeconomus)
• Subspecies Microtus oeconomus arenicola
• Sakhalin Vole (Microtus sachalinensis)

References

D.E. Wilson & D.M. Reeder, 2005: Mammal Species of the World: A Taxonomic and Geographic Reference. Third Edition. The Johns Hopkins University Press, Baltimore.