| Physematium Kaulf., 1829 |
| Physematium molle Kaulf., 1829 |
| Woodsia R. Br., 1810 |
| Woodsia canescens (Kunze) Mett., 1864 |
| Woodsia cochisensis Windham, 1993 |
| Woodsia cystopteroides Windham & Mickel, 2004 |
| Woodsia fragilis Liebm., 1849 |
| Woodsia guatemalensis Hook., 1844 |
| Woodsia mexicana Fée, 1857 |
| Woodsia mollis (Kaulf.) J. Sm., 1841 |
| Woodsia neomexicana Windham, 1993 |
| Woodsia obtusa (Spreng.) Torr., 1840 |
| Woodsia phillipsii Windham, 1993 |
| Woodsia plummerae Lemmon, 1882 |
| Woodsia pusilla E. Fourn., 1872 |
| Woodsia pusilla var. mexicana (Fée) T.M.C. Taylor, 1947 |
| Woodsiaceae Herter, 1949 |
| Woodsioideae Schamakov, 2001 |