Citation: Sw., J. Bot. (Schrader) 1800 (2):78 (1801).

Synonymy: Not Applicable

Common name: Screw fern, necklace fern.

Description:
Rhizome creeping, subterranean; fronds dimorphic, the fertile ones erect, the vegetative ones spreading, pinnate; pinnae flabellate but fertile ones much narrower, often obliquely deflexed and close-set to the rhachis.

Image source: pl. 1 in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

	habit
Image source: fig. 42a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

	fertile pinna
Image source: fig. 42c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

	pinna
Image source: fig. 42b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

	sporangium
Image source: fig. 42d in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Blombery (1973) What wildflower is that?, p. 195.

Distribution:  Occasional in shaded situations under scrub. S.Aust.: SL, KI, SE.   All States.   New Zealand; New Caledonia. Conservation status: native Flowering time: No flowering time is available

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available