Poa trivialis
Ecology
A stoloniferous perennial herb of open woodland, meadows, pastures, walls, waste ground, waysides and cultivated land; it also grows in marshes and beside ponds, ditches and streams. It was formerly included in commercial grass-seed mixtures, and is still used in amenity and wild-flower grasslands. It is a common wool alien. Generally lowland, but reaching 1065 m on Carn Eige, Glen Affric (Easterness).
Status
Trends
There has been no change in the range of P. trivialis since the 1962 Atlas. It is very widespread, being absent only from montane areas.
World Distribution
Eurosiberian Wide-temperate element, but widely naturalised so that distribution is now Circumpolar Wide-temperate.
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Broad Habitats
Light (Ellenberg): 7
Moisture (Ellenberg): 6
Reaction (Ellenberg): 6
Nitrogen (Ellenberg): 6
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.6
July Mean Temperature (Celsius): 14.5
Annual Precipitation (mm): 1095
Height (cm): 70
Perennation - primary
Life Form - primary
Woodiness
Clonality - primary
Clonality - secondary
Comment on Clonality
Count of 10km squares in Great Britain: 2721
Count of 10km squares in Ireland: 903
Count of 10km squares in the Channel Isles: 11
Atlas Change Index: 1.1
Weighted Changed Factor: -4
Weighted Change Factor Confidence (90%)
JNCC Designations
Atlas text references
Atlas (381c)
.
1988. Comparative Plant Ecology.
.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Comment on Life Form