Children (9 direct children, 9 direct and indirect children):
Poa arctica subsp. aperta
Poa arctica aperta
Poa arctica subsp. arctica
Poa arctica subsp. caespitans
Poa arctica subsp. grayana
Poa arctica grayana
Poa arctica subsp. lanata
Poa arctica var. arctica
Poa arctica var. stricta
Poa arctica longiculmis
Arctic bluegrass