Pteridium aquilinum var. pubescens

The species in the broad sense is the most abundant fern on the planet, though more properly it probably consists of several more limited species, currently treated as varieties. In the southwest it occurs in mesic forest at high elevations.

Plant habit at Barfoot Park in the Chiricahua Mts., 9/5/04.

Immature marginal sori at Barfoot Park, 9/5/04.

Expanding leaf at Barfoot Park, 9/5/04.