Herniaria glabra

Tracheophyta MagnoliopsidaCaryophyllaceaeHerniariaHerniaria glabra

Ecology

An annual or short-lived perennial of compacted sandy or gravelly soils, often with chalk or limestone fragments. Its habitats are generally kept open by seasonal standing water or other disturbance, and include forestry rides, golf courses, car parks, disused gravel-pits and disturbed areas in short grassland. Lowland.

Status

Native

World Distribution

Eurosiberian Temperate element.

© K.J. Walker, BSBI

Broad Habitats

Acid grassland (includes non-calcareous sandy grassland)

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 2

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.2

July Mean Temperature (Celsius): 16.1

Annual Precipitation (mm): 624

Life form information

Height (cm): 5

Perennation - primary

Biennial, including monocarpic perennials

Perennation - secondary

Annual

Life Form - primary

Hemicryptophyte

Life Form - secondary

Therophyte (annual land plant)

Comment on Life Form

"Stace says ""annual to perennial"", but CTW say ""rarely perennial"""

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 16

Count of 10km squares in Ireland: 0

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: 0.83

Distribution information

JNCC Designations

NBNSYS0000004582

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 (78d)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1983)
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
Wigginton MJ
1999.  British Red Data Books. 1. Vascular plants, edn 3.