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

Polypodium cambricum

Common name
Southern Polypody
Polypodium cambricum
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Polypodiaceae
Genus
Polypodium
Species
cambricum
Geographic details
Habitat
rock faces
Soil type
alkaline
Distribution
lowland S and W Britain; scattered Ireland
Native
Yes

Asplenium trichomanes-ramosum

Common name
Green Spleenwort
Asplenium trichomanes-ramosum
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Aspleniaceae
Genus
Asplenium
Species
trichomanes-ramosum
Alternative Species name
viride
Geographic details
Habitat
rock faces
Soil type
alkaline
Distribution
North of Severn-Wash
Native
Yes

Cystopteris montana

Common name
Mountain Bladder Fern
Cystopteris montana
Latin names
Class
Pteridopsida
Order
Polypodiales
Family
Athyriaceae
Genus
Cystopteris
Species
montana
Alternative Family name
Cystopteridaceae
Geographic details
Habitat
wet alpine N-facing
Soil type
alkaline
Distribution
W Scotland
Native
Yes