carduus acanthoides, geranium pusillum, amaranthus retroflexus, arenaria serpyllifolia, atriplex patula, capsella bursa-pastoris, cerastium holosteoides, chenopodium album, crepis tectorum, eryngium campestre, euphorbia falcata, lolium pratense, melilotus officinalis, onopordum acanthium, polygonum aviculare, sherardia arvensis, sonchus asper