Isolepis cernua (Vahl) Roem. & Schult.
Family: CYPERACEAE
Genus: Isolepis
Sinònims: Scirpus cernuus Vahl
Catalan common name: Fenàs d'aigua.
Province distribution: Alacant. Balearic Islands. Barcelona. Castelló. Girona. Lleida. Tarragona. València.
Distribution in the islands: Mallorca. Menorca. Ibiza.
General distribution (Phytogeography): Some regions
IUCN Category: Least concern
Flowering time: JanFebMarAprMayJunJulAugSepOctNovDec
Life-forms: Hemicryptophyte. Terophyte.
Habitats: Non-saline wetlands (intermittent watercourses, streams, artesian wells, ditches). Therophytic silicolous fields. Humid soils.
Characteristics: A small herb with filiform stems and leaves, it forms a spikelet at the top of the stems, sometimes it is outgrown by a small bract and then it seems as if the inflorescence is lateral. It lives along the edges of moist zones.