Lygodium microphyllum—Climbing Snake Fern, Old World Climbing Fern—SCHIZAEACEAE.

Lygodium microphyllum

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Habitat— In rainforest, swamp forest or open forest; not common.

Distribution—North from Iluka New South Wales to North Queensland, Western Australia and Northern Territory.

Description— A large and distinctive ground-to-crown climbing fern species. It has long climbing, stem-like fronds and wiry brown rhizomes. Rhizome densely covered with short, dark brown hairs

Local occurrences

Royal Botanic Gardens Sydney.

Fronds.—Climbing and usually to several metres long; rachis slender, glabrous, often to 2 to 3 m long; primary branches c. 4 mm long, dormant bud hairy; secondary branches to 15 cm long, mostly with 4 to 11 alternate, stalked leaflets; sterile leaflets ovate to triangular, 2 to 5 cm long and 1 to 2 cm wide, margins minutely crenate; fertile leaflets smaller, to 1.5 cm long and 1.2 cm wide.

Lygodium microphyllum
Lygodium microphyllum

Sori—Spore–bearing segments mostly 1 to 4 mm long; sporangia oblong to ovoid on a short stalk.