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

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Ultimate segments of the mature fronds flat or slightly recurved on the lower surface. Sori mostly 3–4-sporangiate, more rarely 2-sporangiate

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Lower surface of the lateral axes stellate-tomentose. Lower surface of the ultimate segments pale green. Plants 0.3–2.6 m high. Widespread. Sandstone cliffs; swampy land; ti-tree scrub; open forests Gleichenia microphylla

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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