gb, east kent, cirsium arvense, polygonum aviculare, veronica persica, chenopodium album, senecio vulgaris, capsella bursa-pastoris, convolvulus arvensis, matricaria chamomilla, papaver rhoeas, poa annua, stellaria media, galium aparine, sinapis arvensis, sonchus asper, lysimachia arvensis, persicaria maculosa, sonchus oleraceus, fallopia convolvulus, elymus repens, plantago major, matricaria discoidea, raphanus raphanistrum, lamium purpureum, sonchus arvensis, euphorbia helioscopia, geranium dissectum, triticum aestivum, rumex crispus, ranunculus repens, tripleurospermum inodorum, hordeum vulgare, lolium perenne, equisetum arvense, gnaphalium uliginosum, beta vulgaris, solanum nigrum, viola arvensis, persicaria lapathifolia, artemisia vulgaris, vicia sativa, poa trivialis, trifolium repens, urtica dioica, agrostis stolonifera, alopecurus myosuroides, sisymbrium officinale, stachys palustris, centaurea cyanus, lamium amplexicaule, mercurialis annua