Notholaena grayi ssp. grayi

This is the triploid form of Notholaena grayi, which occurs from southeastern Arizona east to central Texas and south into Mexico. The two forms can only be distinguished morphologically by spore number and size.

Adaxial view of pinnae in the Chiricahua Mts., 9/4/04.

Abaxial view of a pinna in the Chiricahua Mts., 9/4/04.