Asplenium trichomanes L. subsp. quadrivalens D.E. Meyer

Spice Abaxial surface In the field 1 In the field 2

Family: ASPLENIACEAE

Genus: Asplenium

Catalan common name: Falzia roja.

Spanish common name: Culantrillo menudo. Hoja mosaica. Polítrico.

Province distribution: Alacant. Balearic Islands. Barcelona. Castelló. Girona. Lleida. Tarragona. València.

Distribution in the islands: Mallorca. Menorca. Cabrera.

General distribution (Phytogeography): Cosmopolitan and subcosmopolitan

IUCN Category: LCLeast concern

Flowering time: JanFebMarAprMayJunJulAugSepOctNovDec

Life-forms: Hemicryptophyte.

Habitats: Rock crevices and cliff faces. Non-saline wetlands (intermittent watercourses, streams, artesian wells, ditches). Rocky surfaces and dry stone walls. Rock creviceses.

Characteristics: This is a typical small fern found in humid crevices and marshes. The leaf is completely divided into small, rounded pinnae. There are other fern species that look like it and which can be mistaken for it, especially Asplenium azomanes, although the latter is much larger and shinier. There are several subspecies described that are difficult to distinguish between.