gb, cambridgeshire cc, cirsium arvense, chenopodium album, polygonum aviculare, elymus repens, capsella bursa-pastoris, tripleurospermum inodorum, poa annua, matricaria chamomilla, stellaria media, plantago major, galium aparine, rumex crispus, lolium perenne, convolvulus arvensis, sonchus arvensis, fallopia convolvulus, matricaria discoidea, agrostis stolonifera, senecio vulgaris, sinapis arvensis, sonchus asper, urtica dioica, triticum aestivum, persicaria maculosa, ranunculus repens, veronica persica, sonchus oleraceus, artemisia vulgaris, trifolium repens, persicaria lapathifolia, solanum nigrum, echinochloa crus-galli, thlaspi arvense, poa trivialis, papaver rhoeas, atriplex patula, argentina anserina, phragmites australis, dactylis glomerata, viola arvensis, achillea millefolium, lamium purpureum, equisetum arvense, euphorbia helioscopia, raphanus raphanistrum, amaranthus retroflexus, plantago lanceolata, persicaria amphibia, sisymbrium officinale, lysimachia arvensis