Gleicheniaceae

Fronds pseudodichotomously branched with dormant apical buds Gleicheniaceae

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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 usually 1–6 cm long, flat; sori numerous on each segment, mostly in a single row on each side of the midrib. Pinnules of the ultimate branches of the frond undivided