Lycopodium annotinum var. acrifolium Fernald

Lycopodium annotinum var. acrifolium Fernald is a synonym sensu Hassler, 2014-2024+ of:

Spinulum annotinum (Linnaeus) A. Haines subsp. annotinum, an accepted subspecies name sensu Kurtto, A. & P. Uotila, 2019.