Cystopteris fragilis (L.) Bernh. subsp. fragilis
Family: ATHYRIACEAE
Genus: Cystopteris
Province distribution: Balearic Islands. Barcelona. Castelló. Girona. Lleida. Tarragona.
Distribution in the islands: Mallorca.
General distribution (Phytogeography): Eurosiberian
IUCN Category: Critically endangered
Flowering time: JanFebMarAprMayJunJulAugSepOctNovDec
Life-forms: Hemicryptophyte.
Habitats: Rock crevices and cliff faces. Rock creviceses.
Characteristics: A rhizotomatous fern with large petiolate leaves, 2-3 pinnasects without hairs. The pinnae are lobulate or divided. Sori are orbicular and black in colour, covered by an indusium in the shape of a hood. Spores are very characteristic with conical aculi.