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 and you can Browse a list of species.

The Ferns Taxonomy page attempts to explain taxonomic relationships and there is a searcheable Glossary.

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

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Hard shield-fern
Lady fern

Some random samples

Hymenophyllum tunbrigense

Common name

Tunbridge filmy fern

Hymenophyllum tunbrigense Tunbridge filmy fern
© Copyright
Natural History Museum
Latin names
ClassPteridopsida
OrderHymenophyllales
FamilyHymenophyllaceae
GenusHymenophyllum
Speciestunbrigense
Geographic details
Habitatsteep rock faces high humidity low altitude
Soil typeacidic
DistributionW England Ireland
NativeYes

Asplenium adiantum-nigrum

Common name

Black spleenwort

Asplenium adiantum-nigrum Black spleenwort
© Copyright
Natural History Museum
Latin names
ClassPteridopsida
OrderPolypodiales
FamilyAspleniaceae
GenusAsplenium
Speciesadiantum-nigrum
Alternative Genus nameAsplenium
Geographic details
Habitatrocks and walls
Soil typealkaline
DistributionThroughout British Isles
NativeYes

Woodsia ilvensis

Common name

Oblong Woodsia

Woodsia ilvensis Oblong Woodsia
© Copyright
Natural History Museum
Latin names
ClassPteridopsida
OrderPolypodiales
FamilyAthyriaceae
GenusWoodsia
Speciesilvensis
Alternative Family nameWoodsiaceae
Geographic details
Habitatarctic alpine cliffs
Soil typeacidic
Distributionmountains N British Isles
NativeYes