(Maidenhair fern Family)

Argyrochosma limitanea (Maxon) Windham subsp. mexicana (Maxon) Windham

Southwestern false cloak fern

(Apogamous triploid)

This subspecies, like A. limitanea subsp. limitanea is an apogamous triploid.   Subspecies mexicana is distinguished from subspecies limitanea by the fact that its proximal pinnae are 1/4 to 1/3 the length of the blade, while the proximal pinnae of subspecies limitanea are 1/2 or more of the blade.

Copper Kettle Canyon, Florida Mountains, Luna County     16 March 2005