Aspidotis densa

Found from southern California to northwestern Wyoming & northern Idaho, west to the coast. In California and southwestern Oregon, this species is typically abundant on serpentine outcrops.

Plant habit on the Pacific Crest Trial near Red Butte, Siskiyou County, California, 24 Jul 2008.

Abaxial leaf surface, showing sori, Pacific Crest Trail near Red Butte, 24 Jul 2008.

Another plant habit photo on the Pacific Crest Trail near Red Butte, 24 Jul 2008.

Adaxial view of a leaf on the Pacific Crest Trail near Red Butte, 24 Jul 2008.