Woodsia obtusa (Sprengel) Torrey subsp. obtusa
Woodsia obtusa (Sprengel) Torrey subsp. obtusa is a synonym sensu FNA Ed. Comm., 1993 of:
Physematium obtusum (Sprengel) Hooker subsp. obtusum, an accepted subspecies name sensu Lu et al., 2019.
Woodsia obtusa (Sprengel) Torrey subsp. obtusa is a synonym sensu FNA Ed. Comm., 1993 of:
Physematium obtusum (Sprengel) Hooker subsp. obtusum, an accepted subspecies name sensu Lu et al., 2019.