Ynesmexia subcordata

Taxonavigation

Taxonavigation: Polypodiales
Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Divisio: Tracheophyta Divisio: Pteridophyta Classis: Polypodiopsida Ordo: Polypodiales

Familia: Pteridaceae
Subfamilia: Cheilanthoideae
Genus: Ynesmexia
Species: Ynesmexia subcordata

Name

Ynesmexia subcordata (D.C.Eaton ex Davenp.) Fauskee & Windham, Taxon 74(4): 782 (2025).

Synonyms

• Basionym
  • Gymnogramma subcordata D.C.Eaton ex Davenp., Contr. U. S. Natl. Herb. 5: 138, t. 16 (1897).
• Homotypic
  • Gymnopteris subcordata (D.C.Eaton ex Davenp.) Underw., Bull. Torrey Bot. Club 29: 628 (1902).
  • Coniogramme subcordata (D.C.Eaton ex Davenp.) Maxon, Contr. U. S. Natl. Herb. 17: 174 (1913), nom. illeg., non Copel. (1910).
  • Coniogramme americana Maxon, Contr. U.S. Natl. Herb. 17: 607 (1916), nom. nov.
  • Hemionitis subcordata (D.C.Eaton ex Davenp.) Mickel, Brittonia 31: 411 (1979).
  • Cheilanthes subcordata (D.C.Eaton ex Davenp.) Mickel, Amer. Fern J. 77(4): 112 (1988) [1987 publ. 1988].

Hybrids

Ynesmexia × gryphus

Distribution

Native distribution areas:

Continental: Northern America Regional: Mexico Mexico Central (México State), Mexico Northeast (Durango, Zacatecas), Mexico Northwest (Sinaloa), Mexico Southeast (Chiapas), Mexico Southwest (Colima, Jalisco, Michoacán, Nayarit, Oaxaca). Continental: Southern America Regional: Central America Guatemala, Honduras, Nicaragua. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Fauskee, B.D., Windham, M.D. & Pryer, K.M. 2025. Ynesmexia: A novel genus uniting morphologically disparate cheilanthoid ferns (Pteridaceae). Taxon 74(4): 768–786. DOI: 10.1002/tax.13340 ResearchGate Reference page. 
• Mickel, J.T. 1987. A New Fern from Western Mexico and Its Bearing on the Taxonomy of the Cheilanthoid Ferns. American Fern Journal 77(4): 109–114. JSTOR BHL Reference page. 

Links

• Hassler, M. 2025. World Ferns. Checklist of Ferns and Lycophytes of the World. . Ynesmexia subcordata Accessed: 30 Aug 2025. Reference page.
• Govaerts, R. et al. 2025. Ynesmexia subcordata in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 Aug 30. Reference page. 
• Tropicos.org 2025. Ynesmexia subcordata. Missouri Botanical Garden. Published online. Accessed: 30 Aug 2025. Reference page.
• International Plant Names Index. 2025. Ynesmexia subcordata. Published online. Accessed: 30 Aug 2025. Reference page.