Chenopodium album, of the goosefoot family, sometimes used as a potherb
Any of several similar plants of genera Chenopodium and Atriplex.
Chenopodium album, white goosefoot
Polygonum aviculare (common knotgrass)
Amaranthus species
Portulaca bicolor, of Australia
Heracleum sphondylium
Any of various weedy plants sometimes used as pig fodder