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 wilsonii

Common name

Wilson's filmy fern

Hymenophyllum wilsonii Wilson
© Copyright
Natural History Museum
Latin names
ClassPteridopsida
OrderHymenophyllales
FamilyHymenophyllaceae
GenusHymenophyllum
Specieswilsonii
Geographic details
Habitatsteep rock faces high humidity low altitude
Soil typeacidic
DistributionLake district, W Wales, Scotland, Ireland
NativeYes

Asplenium scolopendrium

Common name

Hart's-tongue fern

Asplenium scolopendrium Hart
© Copyright
Natural History Museum
Latin names
ClassPteridopsida
OrderPolypodiales
FamilyAspleniaceae
GenusAsplenium
Speciesscolopendrium
Geographic details
HabitatMaritime
Soil typealkaline
DistributionThroughout British Isles
NativeYes

Asplenium trichomanes pachyrachis

Common name

Lobed Maidenhair spleenwort

Asplenium trichomanes pachyrachisLobed Maidenhair spleenwort
© Copyright
Natural History Museum
Latin names
ClassPteridopsida
OrderPolypodiales
FamilyAspleniaceae
GenusAsplenium
Speciestrichomanes
Subspeciespachyrachis
Geographic details
Habitatrock faces
Soil typealkaline
DistributionLocally frequent W Britain
NativeYes