Polystichum munitum (Kaulfuss) C. Presl subsp. curtum Ewan, Amer. Fern J. 32: 99. 1942

Stems erect. Leaves arching at tip, planar, 4--8 dm. Pinnae narrowly lanceolate, straight to falcate, in same plane as blade, more than 5 times longer than wide, apex acuminate-apiculate. Indusia entire or margin short-dentate.

On floor of mixed evergreen forests in light shade; 400--1400 m; Calif.

Polystichum imbricans var. curtum occurs mostly inland in California, and occasionally in the central Sierra Nevada.