Resumen

RAMIREZ-CRUZ, Said; SANCHEZ-GONZALEZ, Arturo  y  TEJERO-DIEZ, Daniel. Pteridophyte flora from the National Park Los Mármoles, Hidalgo, Mexico. Bol. Soc. Bot. Méx [online]. 2009, n.84, pp.35-44. ISSN 0366-2128.

The objective of the present study was to document the richness and distribution of the pteridoflora in the plant communities of the National Park Los Mármoles, the second largest natural protected area and the largest in Hidalgo. The study was based on exhaustive collection of specimens in different types of vegetation. Eleven families, 28 genera and 65 species of ferns were found, and one family with six species of lycopods. Seven taxa not previously mentioned for the state of Hidalgo are cited: Anemia mexicana var. makrinii, Argyrochosma palmeri, Cheilanthes spiculata, Pecluma alfredii var. cupreolepis, Polypodium puberulum, Selaginella sartorii and S. wrightii.

Palabras llave : Ferns; lycophytes; natural protected areas; cluster analysis.