Cheilanthes villosa Davenport ex Maxon

This species is limited to limestone. It can be reasonably common on open rock along moist canyons &c. at lower elevations in the Guadalupe Mountains and Sacramento Mountains, but is fairly sparse otherwise in New Mexico. It also occurs in Arizona and Texas.

Plant habit in Dog Canyon on the west side of the Sacramento Mountains, Otero County, New Mexico, 9 Jan 2005.

Adaxial leaf surface in Dog Canyon, 9 Jan 2005.

Abaxial leaf surface in Dog Canyon, 9 Jan 2005.

Plant habit in Bear Den Canyon, San Andres Mountains, Sierra County, New Mexico, 24 Apr 2010.

Adaxial view of pinnae, Bear Den Canyon, 24 Apr 2010.

Abaxial view of pinnae, Bear Den Canyon, 24 Apr 2010.