Family : Dryopteridaceae.

Crested buckler fern.

The sterile fronds are pinnate-pinnatifid, evergreen, arranged in open crown. The fertile fronds are erected in the middle, pinnae are upward facing, hence its name of crested fern. It likes marshlands, wet woods, in acidic or slighly acidic soils. Height:36/60cm. Hardiness:-30°C.