Phyllitis scolopendrium

Tracheophyta PteropsidaAspleniaceaePhyllitisPhyllitis scolopendrium


An evergreen perennial fern of sheltered, humid, moist habitats, including rocky woodlands, stream and hedge banks, grikes in limestone pavement, and on brickwork and walls, where it often grows in a stunted form. It avoids the most acidic substrates. 0-700 m (Great Dun Fell, Westmorland).



World Distribution

European Temperate element; also in E. Asia and N. America.

Broad Habitats

Light (Ellenberg): 4

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 5

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 14.8

Annual Precipitation (mm): 1048

Height (cm): 60

Perennation - primary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 2115

Count of 10km squares in Ireland: 934

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: 0.45

Weighted Changed Factor: 33

Weighted Change Factor Confidence (90%)


JNCC Designations


Atlas text references

Atlas (7b)
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.
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Page CN
1997.  The ferns of Britain and Ireland, edn 2.