Heracleum sphondylium
Ecology
A robust perennial herb of dry or moist, neutral to calcareous soils. It has a wide habitat range, including rough and disturbed grassland, especially on roadsides and trackways, woodland rides, scrub, river banks, stabilised dunes, coastal cliffs, montane tall-herb vegetation and waste ground. 0-1005 m (Breadalbanes, Mid Perth).
Status
Trends
There has been no change in the distribution of H. sphondylium since the 1962 Atlas.
World Distribution
Eurasian Boreo-temperate element; widely naturalised outside its native range.
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Broad Habitats
Light (Ellenberg): 7
Moisture (Ellenberg): 5
Reaction (Ellenberg): 7
Nitrogen (Ellenberg): 7
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.6
July Mean Temperature (Celsius): 14.5
Annual Precipitation (mm): 1088
Height (cm): 175
Perennation - primary
Life Form - primary
Woodiness
Clonality - primary
Count of 10km squares in Great Britain: 2692
Count of 10km squares in Ireland: 959
Count of 10km squares in the Channel Isles: 14
Atlas Change Index: 0.08
Weighted Changed Factor: -25
Weighted Change Factor Confidence (90%)
JNCC Designations
Atlas text references
Atlas (167d)
.
1988. Comparative Plant Ecology.
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1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
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1978. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.
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1991. Biological Flora of the British Isles. No. 171. Heracleum sphondylium L. Journal of Ecology. 79:235-258.
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1980. Umbellifers of the British Isles. Botanical Society of the British Isles Handbook no. 2.