Koeleria vallesiana

Tracheophyta MagnoliopsidaPoaceaeKoeleriaKoeleria vallesiana

Ecology

A tufted perennial grass of open, sheep-grazed turf around rock outcrops on S.-facing Carboniferous limestone slopes. Its sites are characterised by high levels of insolation and summer drought. Lowland.

Status

Native

World Distribution

Suboceanic Southern-temperate element.

Broad Habitats

Calcareous grassland (includes lowland and montane types)

Light (Ellenberg): 8

Moisture (Ellenberg): 1

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 1

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 4.5

July Mean Temperature (Celsius): 16.4

Annual Precipitation (mm): 868

Life form information

Height (cm): 40

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Tussock-forming graminoid, may slowly spread

Count of 10km squares in Great Britain: 4

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 0

Distribution information

JNCC Designations

NBNSYS0000002609

PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (392b)
Green PR, Green IP, Crouch GA
1997.  The Atlas Flora of Somerset.
Sell & Murrell (1997)
Wigginton MJ
1999.  British Red Data Books. 1. Vascular plants, edn 3.