Chenopodium album agg.
Tracheophyta
›Magnoliopsida›Chenopodiaceae›Chenopodium›Chenopodium album agg.
Ecology
Annuals of disturbed, nutrient-rich habitats, including cultivated fields and gardens, manure heaps, waste ground, rubbish tips and soil heaps. Copious seed is produced, resulting in a long-lived seed bank. Generally lowland, but reaching 435 m in Clun Forest (Salop).
Status
Native
Trends
Records of all eight species in the aggregate (species 20?27 in Stace, 1997) are included here, but C. album is by far the commonest. The distribution since the 1962 Atlas is stable in much of its range, though the decline in arable farming in W. Scotland has made it less frequent there.
World Distribution
Eurasian Wide-temperate element, but naturalised in N. America so distribution is now Circumpolar Wide-temperate.
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Atlas Change Index: -0.73
JNCC Designations
NBNSYS0000003091