Adiantaceae
Indusium absent. Sori marginal, borne on the vein-tips, ± confluent. Stipes and rhachises black or dark red-brown Adiantaceae
Pinnae subsessile, with petiolules 0.2–1 mm long, 14–44 pairs, 0.6–5 cm long, 0.2–1.2 cm broad. Juvenile fronds pinnate composed of c. 5–10 pairs of pinnae
Pinnae 0.6–2 cm long, mostly 0.2–0.6 cm broad. Fronds including the stipes mostly 13–40 cm long. Widespread. RF. Usually amongst rocks. Sickle Fern Pellaea nana
Pinnae 2.5–6 cm long, 0.5–1.3 cm broad. Fronds including the stipes 15–65 cm long. Widespread. RF or open forests. Often on damp rocks or on loamy soil. Sickle Fern Pellaea falcata