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

Height (cm): 70

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

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%)


JNCC Designations


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.