Trisetum bifidum subsp. sibiricum (Ruprecht) ) T. Koyama

Trisetum bifidum subsp. sibiricum (Ruprecht) ) T. Koyama is a synonym sensu Barberá et al., 2019 of:

Sibirotrisetum sibiricum (Ruprecht) Barberá subsp. sibiricum, an accepted subspecies name sensu Barberá et al., 2019.