Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Asplenium obovatum subsp. lanceolatum - Lanceolate Spleenwort

Range & Status

Native. Mediterranean-Atlantic fern. Channel Islands, Devon, Cornwall, Wales and


Regional Distribution

Frequent on some islands on the Isles of Scilly and frequent along stretches of the Cornish coast; it can also be found inland on old Cornish Hedges especially associated with farmsteads in the granite areas.

Habitat & Ecology

Mostly found near the coast in rock crevices, on Cornish Hedges, dry-stone walls and

mortared walls, especially on granite hedges where there is little competition from other vegetation.


Hedge removal and poorly maintained hedges which become scrubbed over or dominated by rank vegetation, and cleaning of buildings and walls.


Most coastal sites are either owned by the NT or are SSSI, but most sites on inland

00 hedges are not protected.

Click here to see Aphotoflora images by David Fenwick


I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.