Blechnaceae Newman
Sori discrete or fused to form coenosori. Indusium marginal or superficial, || costa. Sporangia crowded, rather large; annulus vertical, interrupted. Spores bilateral, reniform to subglobose, us. smooth and with perispore. Rhizome dictyostelic, erect or creeping, sts forming a distinct caudex. Paleae not clathrate; stipes not articulated to rhizome, with several vascular strands. Fronds mostly bipinnate; veins free, forked, sts anastomosing. Prothallus cordate. About 5 genera of terrestrial ferns of wide distribution.