Gymnocarpium Newman

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 22

3. Gymnocarpium Newman 1

Rhizomes slender, creeping; scales on younger part only, light brown, broadly ovate, fringed with papillae. Leaves solitary, in two ranks, erect; petiole l |- 3 times as long as lamina, blackish-brown below, brownish-yellow above; lamina deltate; veins free. Sori submarginal, round or elongated, often confluent; indusiumabsent. Leaves glabrous, eglandular, bright green 1. dryopteris Leaves with short glandular hairs, dull green 2. robertianum