Lycopodium clavatum subsp. megastachyon (Fernald & Bissell) Á. Löve & D. Löve

Lycopodium clavatum subsp. megastachyon (Fernald & Bissell) Á. Löve & D. Löve is a synonym sensu IPNI of:

Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva, an accepted species name sensu FNA Ed. Comm., 1993.