| Lindsaea
linearis (screw fern) is a very common native fern that mostly
grows in wet heaths. It is a small fern with leaves pinnately
divided into wedge-shaped leaflets. The sori are elongated, placed
along the edge the lamina and are protected by a flap of the lamina
(an indusium). It is often confused with
Asplenium flabellifolium,
which differs in having the sori on the under side of the lamina and
mostly grows in humid microsites in dry rocky places. |
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