Gen. Fil. 68. 1947.
Leaves monomorphic, 10–35 cm. Blade 4 (–5) -pinnate, 3–12 cm, nearly as wide as long, papery. Ultimate segments lanceolate or deltate, 1.5–4 mm; midrib usually obscure abaxially. Sori of mature blades short, discrete, 1–3 (–5) per segment; indusia semicircular, margins with 2–6 coarse, irregular teeth or ± entire. 2n = 60, 120.
Habitat: Rocky outcrops and crevices (not serpentine), moist to dry, shaded slopes and cliffs
Elevation: 20–1300 m
Calif., Mexico in n Baja California