Hippochaete variegata subsp. alaskana (A.A. Eaton) Škoda

Hippochaete variegata subsp. alaskana (A.A. Eaton) Škoda is a synonym sensu Christenhusz et al., 2019 of:

Equisetum variegatum Schleicher ex F. Weber & D. Mohr, an accepted species name sensu FNA Ed. Comm., 1993.