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 pouch-like on the lower surface, with a bar of green tissue across the base except sometimes in sterile fronds, opening with a comparatively narrow aperture. Sori mostly 2-sporangiate. Plants 0.3–2.8 m high. Widespread. Sandstone cliffs; swampy land; ti-tree scrub; RF margins; open forests Gleichenia dicarpa
Ultimate segments of the mature fronds flat or slightly recurved on the lower surface. Sori mostly 3–4-sporangiate, more rarely 2-sporangiate