Oregon cliff fern
Oregon cliff fern (FNA Ed. Comm., 1993) is a synonym English vernacular name for:
Physematium oreganum (D.C. Eaton) Trevisan subsp. oreganum , an accepted subspecies name sensu Lu et al., 2019.
Oregon cliff fern (FNA Ed. Comm., 1993) is a synonym English vernacular name for:
Physematium oreganum (D.C. Eaton) Trevisan subsp. oreganum , an accepted subspecies name sensu Lu et al., 2019.