DAVALLIACEAE

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 : 12

XIV. DAVALLIACEAE 1

Rhizomes polystelic, with broad dorsal and ventral meristeles, and with clathrate scales. Leaves distant, in two ranks, articulated to rhizome; petioles with several vascular strands. Sori submarginal, with indusium; spores bilateral.