Woodsia neomexicana

New Mexican cliff fern
Scientific classification
Kingdom:Plantae
Division:Pteridophyta
Class:Polypodiopsida/Pteridopsida
(disputed)
Order:Polypodiales
Family:Woodsiaceae
Genus:Woodsia
Species: W. neomexicana
Binomial name
Woodsia neomexicana
Windham

Woodsia neomexicana, the New Mexican cliff fern, is a fern species native to the Southwestern United States and northern Mexico.

Distribution

The core of its range is in Coahuila, Nuevo León, Zacatecas, New Mexico, southeastern Utah, Arizona, western Texas and southern Colorado, with isolated populations reported from Oklahoma and South Dakota. The plant usually grows in cracks in the sides of cliffs, on top of rocks, etc.[1][2][3]

Description

Woodsia neomexicana has stems that are largely obscured by the persistent bases of scales and dead leaf bases. Leaves are up to 30 cm long, pinnate with pinnatifid pinnules (leaflets) with scattered hairs.[1]

The indusia have narrow, thread-like segments. Spores average about 50 μm in diameter.[1][4][5]

References

  1. 1 2 3 Flora of North America vol 2
  2. ↑ Mickel, J. T. & A. R. Smith. 2004. The Pteridophytes of Mexico. Memoirs of The New York Botanical Garden 88: 1–1054.
  3. ↑ BONAP, Biota of North America Project, Floristic Synthesis map
  4. ↑ Windham, Michael D. 1993. Contributions from the University of Michigan Herbarium 19: 52, f. 6.
  5. ↑ photo of isotype of Woodsia neomexicana at Missouri Botanical Garden
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.