Cirsium arvense

Tracheophyta MagnoliopsidaAsteraceaeCirsiumCirsium arvense

Ecology

A perennial herb of over-grazed pastures, hay meadows and rough grassy places, roadsides, arable fields and other cultivated land, and in urban habitats and waste ground. Plants regenerate freely from rhizome fragments which are broken up by ploughing or other disturbance. 0-700 m (Breadalbanes, Mid Perth), and at 845 m on Great Dun Fell (Westmorland).

Status

Native

World Distribution

Eurasian Temperate element, but naturalised in N. America so distribution is now Circumpolar Temperate.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 6

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 14.5

Annual Precipitation (mm): 1092

Height (cm): 120

Perennation - primary

Perennial

Life Form - primary

Non-bulbous geophyte (rhizome, corm or tuber)

Woodiness

Herbaceous

Clonality - primary

Clones formed by suckering from roots

Count of 10km squares in Great Britain: 2736

Count of 10km squares in Ireland: 968

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: 0.47

Weighted Changed Factor: -34

Weighted Change Factor Confidence (90%)

18

JNCC Designations

NBNSYS0000004492

Atlas text references

Atlas (289a)
Grime JP, Hodgson JG, Hunt R
1988.  Comparative Plant Ecology.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Kay QON
1985.  Hermaphrodites and subhermaphrodites in a reputedly dioecious plant, Cirsium arvense (L.) Scop. New Phytologist. 100:457-472.
Meusel H, Jäger EJ
1992.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 3. 2 vols.
Moore RJ
1975.  The biology of Canadian weeds. 13. Cirsium arvense (L.) Scop. Canadian Journal of Plant Science. 55:1033-1048.
Werner (1975)