FZ volume:0 part:0 (1970) Adiantaceae by E. A. C. L. E. Schelpe
Terrestrial or aquatic ferns with solenostelic or dictyostelic scaly rhizomes; stipes not articulated, with U-shaped or variously dissected vascular strands, often dark-coloured and nitidous. Fronds 1–4-pinnate. Veins free or anastomosing. Sori discrete or fusing along an intramarginal vein or set along veins or on the under surface of special soral flaps (Adiantum) or acrostichoid (Acrostichum), submarginal or superficial. Sporangia long- or short-stalked, often mixed with paraphyses. Spores trilete, without perispores.