Puccinellia distans

Tracheophyta MagnoliopsidaPoaceaePuccinelliaPuccinellia distans

Ecology

A perennial herb growing on barish muddy ground near the sea, along the upper edges of saltmarshes, on sea walls and amongst coastal rocks; also in saline areas inland, and as a colonist by salt-treated roads. It favours compacted, poorly-drained, heavy soils. Lowland, with a roadside record at 520 m at Holme Moss (Cheshire).

Status

Native

World Distribution

Eurosiberian Boreo-temperate element; widely naturalised outside its native range.

Broad Habitats

Light (Ellenberg): 8

Moisture (Ellenberg): 8

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7

Salt Tolerance (Ellenberg): 4

January Mean Temperature (Celsius): 4.1

July Mean Temperature (Celsius): 14.9

Annual Precipitation (mm): 859

Height (cm): 60

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Tussock-forming graminoid, may slowly spread

Count of 10km squares in Great Britain: 405

Count of 10km squares in Ireland: 39

Count of 10km squares in the Channel Isles: 2

Atlas Change Index: 3.02

Weighted Changed Factor: 74

Weighted Change Factor Confidence (90%)

18

JNCC Designations

NBNSYS0000002538

Atlas text references

Atlas (378a)
Coombe DE
1994.  'Maritime' plants of roads in Cambridgeshire (v.c. 29). Nature in Cambridgeshire. 36:37-60.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Scott NE
1985.  The updated distribution of maritime species on British roadsides. Watsonia. 15:381-386.
Scott NE, Davison AW
1982.  De-icing salt and the invasion of road verges by maritime plants. Watsonia. 14:41-52.