Discover Cabeceiras de BastoFree independent guide
ViveCabeceirasYOUR GUIDE TO CABECEIRAS
ENEnglish
SearchSaved
A LITTLE FIELD NOTEBOOK

Life,
up close.

Leaves, feathers, shells, insects, fungi and encounters beside the water. Photographs and observations shared by people who took a closer look at Cabeceiras.

Search covers species names and general descriptions. The habitats described are not visiting locations.

Sorting by date uses the observation date, not the date the photograph was added to the site.

1 observation · All · The whole municipality

A close view of a frond resting on the observer’s hand.
Photography: João Lima
Plants · Cabeceiras de Basto

Irish spleenwort

Asplenium onopteris

The shape of a frond

A close-up reveals the finely divided frond. In the source, the community identification is Asplenium onopteris.

Get to know the species
What it looks like
A fern with evergreen, glossy dark-green fronds, finely divided and broadly triangular in shape.
Habitats
Woods, scrub, rock crevices and walls, especially in damp, shady places.
A closer look
On the underside of the fronds are sori, structures involved in producing spores. Ferns reproduce without flowers.
A sense of scale
The fronds can measure 10 to 50 centimetres. The stalk supporting the divided blade is very dark and can be as long as the blade itself, or longer.
Beyond the municipality
The species occurs in the Mediterranean region, parts of western and central Europe, and Macaronesia except Cape Verde. In Portugal, it also occurs in the Azores and Madeira.

General information about the species; it does not describe the exact conditions of the local observation.

University of Évora — Virtual Museum of Biodiversity

Accessed: .

Observation dated

Observation, credits and rights

View observation in iNaturalist

Community identification with degree of research in consultation with . Published point crossed with municipality limits; without independent confirmation in field.

Photo 711382963: João Lima · CC-BY. WebP and resized versions, without cropping.

Request withdrawal or correct authorship
See in the selection of photographs →
YOUR LOCAL GUIDE

What would you like to discover?

Take a closer look.