Catalan common name : Falzia blanca.
Province distribution : Alicante. Balearic Islands. Barcelona. Castellón. Gerona. Lérida. Tarragona. Valencia.
Distribution in the islands : Mallorca.
General distribution : Holoartica
Flowering time : January. February. March. April. May. June. July. August. September. October. November. December.
Life-forms : Hemicryptophyte.
Habitat : Walls and Rocks.
IUCN Category : Poco preocupante
Characteristics : A small fern with fronds reaching 15 cm. in length, and leathery in texture. The petiole is of same length as the lamina. Leaf is triangular outline, erect (1-2 pinnated). Pinnae are alternate and with rhomboid pinnulae, both peticiolated. Sori are linear or more long than wide, with a linear indusium with a ciliated margin.
Observations : In the Balearic Islands, only this subspecies can be found, and always in rock crevices.