Equisetum arvense var. var. boreale (Bongard) Ruprecht
Equisetum arvense var. var. boreale (Bongard) Ruprecht is a synonym sensu Christenhusz et al., 2019 of:
Equisetum arvense Linnaeus, an accepted species name sensu FNA Ed. Comm., 1993.
Equisetum arvense var. var. boreale (Bongard) Ruprecht is a synonym sensu Christenhusz et al., 2019 of:
Equisetum arvense Linnaeus, an accepted species name sensu FNA Ed. Comm., 1993.