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

Asplenium adiantum-nigrum

Common name
Black spleenwort
Asplenium adiantum-nigrum
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Aspleniaceae
Genus
Asplenium
Species
adiantum-nigrum
Alternative Genus name
Asplenium
Geographic details
Habitat
rocks and walls
Soil type
alkaline
Distribution
Throughout British Isles
Native
Yes

Blechnum spicant

Common name
Hard-fern
Blechnum spicant
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Blechnaceae
Genus
Blechnum
Species
spicant
Geographic details
Habitat
widespread
Soil type
acidic
Distribution
Throughout British Isles
Native
Yes

Cryptogramma crispa

Common name
Parsley fern
Cryptogramma crispa
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Adiantaceae
Genus
Cryptogramma
Species
crispa
Geographic details
Habitat
rocks and walls
Soil type
acidic
Distribution
Lake district, Wales, Scotland
Native
Yes