Woodsia is a genus of ferns in the family Woodsiaceae.

[4]: 224  In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), it was the only genus in the family Woodsiaceae.

[1] In 2020, Physematium was split off from Woodsia on the basis of molecular phylogenetic evidence.

[5] As of June 2023[update], Plants of the World Online continued to treat Physematium as a synonym of Woodsia.

As of June 2023[update], World Ferns hosted at World Plants accepted the following species:[7] Some hybrids are also known:[7] When the genus Physematium is accepted, × Woodsimatium abbeae is a hybrid between Woodsia ilvensis and Physematium scopulinum.