Pteridophyta or Ferns

Adder's tongue
Beech fern

In the British Isles the Phylum Pteridophyta is represented by about 64 native species which are taxonomically classified into two Classes, five Orders, fourteen Families and twenty-four Genera.

This site aims to clarify and explain these relationships and provide information about the native species found in the British Isles. There is a Ferns search facility which aims to ease identification of specimens, you can Browse a list of species and there is a searcheable Glossary of botanical terms.

If you click on any of the images of ferns on this page you will see a slideshow of images and there are some more images in the Image Gallery.

Hard shield-fern
Lady fern

Some random samples

Cystopteris fragilis

Common name
Brittle Bladder fern
Cystopteris fragilis
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Athyriaceae
Genus
Cystopteris
Species
fragilis
Alternative Family name
Cystopteridaceae
Geographic details
Habitat
moist shady crevices
Soil type
tolerant
Distribution
Throughout British Isles, rare SE
Native
Yes

Asplenium ceterach

Common name
Rustyback
Asplenium ceterach
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Aspleniaceae
Genus
Asplenium
Species
ceterach
Geographic details
Habitat
wet rocks and walls
Soil type
alkaline
Distribution
SW W England Ireland Wales
Native
Yes

Asplenium ruta-muraria

Common name
Wall Rue
Asplenium ruta-muraria
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Aspleniaceae
Genus
Asplenium
Species
ruta-muraria
Geographic details
Habitat
rock faces
Soil type
tolerant
Distribution
Throughout British Isles
Native
Yes