Botrychium lanceolatum var. angustisegmentum Pease & A.H. Moore

Botrychium lanceolatum var. angustisegmentum Pease & A.H. Moore is a synonym sensu FNA Ed. Comm., 1993 of:

Botrychium lanceolatum subsp. angustisegmentum (Pease & A.H. Moore) R.T. Clausen, an accepted subspecies name sensu FNA Ed. Comm., 1993.