Filix is an obsolete fern genus. Its takes its name from the Latin word filix, which means "fern."
Filix Ség. 1754 (nom. rej.)
editJean François Séguier (1703-1784), in Plantae Veronenses 3: 53. 1754.
Filix Ség. 1754 nom. rej. = Dryopteris Adans. 1763
Filix Hill 1755
editJohn Hill (1716-1775), in Family Herbal 171. 1755
Filix Ludw. 1757
editChristian Gottlieb Ludwig (1709-1773) in Institutiones Historico-Physicae Regni Vegetabilis. Edition 2. Leipzig, 1757.
Filix Ludw. 1757 = Cystopteris Bernh. 1805
- Filix aquilina Woyn. in Hedwigia 56(5): 383. 1915
- Filix bulbifera (L.) Underw. 1900 = Cystopteris bulbifera (L.) Bernh. 1805
Filix Adans. 1763 nom. illeg.
editMichel Adanson, (1727-1806), in Familles des Plantes (Adanson), 1763
Filix Farw. 1916
editOliver Atkins Farwell (1867-1944), in:
- Report (Annual) of the Michigan Academy of Science, Arts, and Letters [Rep. (Annual) Michigan Acad. Sci.]
- Filix filix-mas (L.) Farw. 6: 201. 1904 = Dryopteris filix-mas (L.) Schott 1834
- Filix ampla Farw. 18: 81. 1916 = Ctenitis ampla (Humb. & Bonpl. ex Willd.) Ching 1940
- Filix aquilonaris Farw. 18: 81. 1916
- Filix boottii Farw. 18: 81. 1916
- Filix cristata Farw. 18: 81. 1916
- Filix montana Farw. 18: 82. 1916
- Filix oregana Farw. 18: 82. 1916
- Filix patens (Sw.) Farw. 18: 82. 1916
- Papers of the Michigan Academy of Science, Arts and Letters [Pap. Michigan Acad. Sci.]
- American Midland Naturalist [Amer. Midl. Naturalist]
Farwell's Filix species
- Filix benedictii Farw. in Pap. Michigan Acad. Sci. 2. 14. 1922
- Filix dowellii Farw. in Pap. Michigan Acad. Sci. 2. 14. 1922
- Filix × benedictii Farw. in Pap. Michigan Acad. Sci. 2. 15. 1923
- Filix filix-mas var. paleacea (Sw.) Farw. in Amer. Midl. Naturalist 12: 254. 1931