Caucasica means from the Caucasus, the region between the Black and Caspian seas.
Rhizome: short-creeping, forming clumps of a few fronds.
Frond: 100 cm high by 20 cm wide, deciduous, monomorphic, blade/stipe ratio: 3:1.
Stipe: grooved, scales sparse, pale brown, triangular to ovate-lanceolate, up to 2 cm, vascular bundles: 3-7 in a c-shaped pattern.
Blade: 2-pinnate, ovate-lanceolate to elliptic, narrow, herbaceous to somewhat leathery, linear to ovate scales below, absent above.
Pinnae: catadromous; costae grooved above, continuous from rachis to costae; margins entire to lobed to crenate with paired teeth; veins free, forked.
Sori: round, in 1 row between midrib and margin, indusium: reniform, white until shrivelling, at a sinus, sporangia: very dark.
Habitat: forests in montane regions.
Distribution: Caucasus, Crimea, Turkey, northwestern Iran.
Hardy to -25°C, USDA Zone 5.
Aspidium affine Fisch. & Mey.
Aspidium caucasicum A. Braun
Dryopteris filix-mas ssp. caucasica (A.Braun) Askerov