Botrychium angustisegmentum (Pease & A.H. Moore) Fernald

Botrychium angustisegmentum (Pease & A.H. Moore) Fernald is a synonym sensu TROPICOS of:

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