N ullmelde. S ullmålla. - Similar to
Chenopodium ambrosioides (22) but stems procumbent and upper leaves bipinnatifid (lowermost leaves entire but visible only in young plants). Leaves up to 3 cm. Flowers in axillary clusters; perianth in fruit saccate and with reticulate venation. - [2n=32]
D Sjæ København (port) 1920, 1940, 1950 and Pedersborg (with cork from the Mediterranean) 1953, 1959, 1964. N 0/Fredrikstad 1881 (ballast from Argentina) and �A Lillesand 1909 (ballast from the Mediterranean). S BhG Göteborg 1952. - South America; naturalized e.g. in the Mediterranean.