Gleichenia Sm.
Ultimate segments usually 0.1–0.5 cm long, flat, recurved or pouch-like, each with a sorus. Pinnules of the ultimate branches of the frond divided into very numerous segments. Rhizome clothed with scales. Spores tetrahedral Gleichenia
Ultimate segments of the mature fronds flat or slightly recurved on the lower surface. Sori mostly 3–4-sporangiate, more rarely 2-sporangiate
Lower surface of the lateral axes glabrous or almost so. Lower surface of the ultimate segments glaucous. Plants 0.3–2.6 m high. Widespread. Sandstone cliffs, often near the sea; open forests; RF margins; near waterfalls in the mountains Gleichenia rupestris