Asplenium trichomanes | Maidenhair Spleenwort | Lus na seilge



Native status


Species Biology


  • Forms dense tufts, often with dead midribs (rachis) present
  • Dark-green fronds are narrow, up to 30 cm long and once pinnate. The petiole (leaf-stalk) and rachis (midrib) are blackish.
  • The pinnae (or leaflets) are more/less equal-sized and generally oblong
  • Long, narrow sori (on undersides of pinnae)


Old walls, cliffs, scree and in crevices on rock which are rich in lime


World distribution(GBIF)

Temporal change

Records submitted to Data Centre in 2021

The following map is interactive. If you would prefer to view it full screen then click here.

How can you help

This species is included in our early summer flowering plants project. If you see the species please submit your sighting. All information is very valuable.

Full list of species included in the early summer flowering plants project:

  • Ragged Robin (Silene flos-cuculi)
  • Yellow Rattle (Rhinanthus minor)
  • Bog Asphodel (Narthecium ossifragum)
  • Foxglove (Digitalis purpurea)
  • Pyramidal orchid (Anacamptis pyramidalis)
  • Scarlet Pimpernel (Anagallis arvensis)
  • Meadowsweet (Filipendula ulmaria)
  • Guelder Rose (Viburnum opulus)
  • Navelwort (Umbilicus rupestris)
  • Maidenhair Spleenwort (Asplenium trichomanes)
  • Silverweed (Potentilla anserine)
  • Bilberry (Vaccinium myrtillus)

Further information

This species is included in the early summer flowering plants project which is a collaboration between the National Biodiversity Data Centre and the BSBI. It is hoped we can collect valuable data to improve our knowledge of the current distribution of some common plants. All data will be fully validated by both partners before loading to Biodiversity Maps and being made available to the BSBI.