Lepidium ruderale

Tracheophyta MagnoliopsidaCruciferaeLepidiumLepidium ruderale


An annual, or rarely biennial, herb of banks and bare waste land near the sea, and of salted road verges. It is also frequent as a casual of roadsides, rubbish tips, gardens and waste places. Lowland.



World Distribution

As an archaeophyte L. ruderale has a Eurosiberian Temperate distribution; it is widely naturalised outside this range.

Broad Habitats

Light (Ellenberg): 9

Moisture (Ellenberg): 4

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.9

July Mean Temperature (Celsius): 16

Annual Precipitation (mm): 757

Life form information

Height (cm): 40

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 545

Count of 10km squares in Ireland: 7

Count of 10km squares in the Channel Isles: 4

Atlas Change Index: -0.04

Distribution information

JNCC Designations


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