Habit in the Patagonia Mts., 3/18/05.
Adaxial view of a leaf in the Patagonia Mts., 3/18/05.
Abaxial view of a portion of a leaf in the Patagonia Mts., 3/18/05. The oddly-shaped scales you can see here distinguish this genus from the closely-related genus Polypodium.