Aster americanus Onno nom. inval.
Aster americanus Onno nom. inval. is a synonym sensu Semple et al., 2002 of:
Aster alpinus subsp. vierhapperi Onno, an accepted subspecies name sensu FNA Ed. Comm., 2006b.
Aster americanus Onno nom. inval. is a synonym sensu Semple et al., 2002 of:
Aster alpinus subsp. vierhapperi Onno, an accepted subspecies name sensu FNA Ed. Comm., 2006b.