Chenopodium rubrum

Tracheophyta MagnoliopsidaChenopodiaceaeChenopodiumChenopodium rubrum


An annual of nutrient-rich mud around the dried-up margins of freshwater or brackish ponds and ditches trampled by livestock; also, more widely, in cultivated and waste ground, on manure heaps and farm tracks and in field gateways. Lowland.



World Distribution

Eurosiberian Temperate element; also present as a native in western N. America and widely naturalised so that the distribution is now Circumpolar Temperate.

© G. Toone, IWNHAS

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 7

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 8


Salt Tolerance (Ellenberg): 1

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 15.7

Annual Precipitation (mm): 800

Life form information

Height (cm): 70

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1267

Count of 10km squares in Ireland: 142

Count of 10km squares in the Channel Isles: 8

Atlas Change Index: 1

Weighted Changed Factor: 27

Weighted Change Factor Confidence (90%)


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

Atlas (83a)
Grime JP, Hodgson JG, Hunt R
1988.  Comparative Plant Ecology.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1980)
Williams JT
1969.  Biological Flora of the British Isles. No. 117. Chenopodiunn rubrum L. Journal of Ecology. 57:831-841.