Cystopteris dickieana

Tracheophyta PteropsidaWoodsiaceaeCystopterisCystopteris dickieana


A fern of rock crevices, shady ravines, cave entrances and also under overhangs. It prefers moderately base-rich rocks. 0-380 m (above Loch Tay, Mid Perth).



World Distribution

As the characters which define C. dickieana are unresolved, it is impossible to summarise its world distribution.

Broad Habitats

Inland rock (quarries, cliffs, screes)

Light (Ellenberg): 5

Moisture (Ellenberg): 7

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 2


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 0.9

July Mean Temperature (Celsius): 12.3

Annual Precipitation (mm): 1379

Life form information

Height (cm): 20

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 5

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 0

Distribution information

Plantatt Conservation Status


JNCC Designations


PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (10b)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1972)
Bangerter EB, Cannon JFM, Jermy AC
1978.  Ferns and their allies. The Island of Mull: a survey of its flora and environment. :12.1-12.7.
Marren PR
1983.  The history of Dickie’s fern in Kincardineshire. Transactions of the Botanical Society of Edinburgh. 44:157-164.
Page CN
1997.  The ferns of Britain and Ireland, edn 2.
Parks JC, Dyer AF, Lindsay S
2000.  Allozyme, spore and frond variation in some Scottish populations of the ferns Cystopteris dickieana and Cystopteris fragilis. Edinburgh. Journal of Botany. 57:83-105.
Tennant DJ
1996.  Cystopteris dickieana R. Sim in the central and eastern Scottish Highlands. Watsonia. 21:135-139.
Wigginton MJ
1999.  British Red Data Books. 1. Vascular plants, edn 3.