Cerastium diffusum

Tracheophyta MagnoliopsidaCaryophyllaceaeCerastiumCerastium diffusum


An annual of light, dry, sandy or gravelly soil. Coastal habitats include open grassland, fixed dunes, sandy banks and sheltered rock crevices. Inland, it occurs in a range of open habitats, including dry grassland, by paths, on wall-tops, road verges and railway ballast. 0-455 m (Dalnaspidal, E. Perth).



World Distribution

European Temperate element.

Broad Habitats

Light (Ellenberg): 9

Moisture (Ellenberg): 4

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 3

Salt Tolerance (Ellenberg): 1

January Mean Temperature (Celsius): 4

July Mean Temperature (Celsius): 14.6

Annual Precipitation (mm): 1062

Height (cm): 23

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 1174

Count of 10km squares in Ireland: 247

Count of 10km squares in the Channel Isles: 12

Atlas Change Index: 0.38

Weighted Changed Factor: -2

Weighted Change Factor Confidence (90%)


JNCC Designations


Atlas text references

Atlas (69a)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1983)