Sceptridium schaffneri (Underw.) Lyon, Bot. Gaz. 40: 458. 1905 sec. Pacheco & al. 2018
- ≡Botrychium schaffneri Underw., Bull. Torrey Bot. Club 30: 51. 1903 syn. sec. Mickel & Smith 2004
- =Botrychium pusillum Underw., Bull. Torrey Bot. Club 30: 50. 1903 syn. sec. Mickel & Smith 2004
- =Sceptridium pusillum (Underw.) Lyon, Bot. Gaz. 40: 458. 1905 syn. sec. The Plant List 2013