Family : Cystopteridaceae.

Synonym : brittle bladder fern.

A little native fern, finely cut with a short and strong rhizome. lance shaped, bipinnate fronds form a light clump. The new fronds unfurl early in spring, and they collapse soon in summer. Easy to grow in any soil, moist with good drainage in shade or medium shade. Deciduous. Height and width : 20/30cm. Hardiness : -30°C.