gb, cambridgeshire cc, cirsium arvense, galium aparine, urtica dioica, capsella bursa-pastoris, stellaria media, convolvulus arvensis, senecio vulgaris, papaver rhoeas, helminthotheca echioides, chenopodium album, veronica persica, rumex crispus, polygonum aviculare, heracleum sphondylium, lysimachia arvensis, matricaria discoidea, bromus sterilis, tripleurospermum inodorum, lamium purpureum, anthriscus sylvestris, rubus fruticosus, sonchus asper, sinapis arvensis, sonchus oleraceus, geranium dissectum, poa annua, lamium album, sisymbrium officinale, plantago major, lolium perenne, ranunculus repens, dactylis glomerata, vicia sativa, raphanus raphanistrum, viola arvensis, rumex obtusifolius, plantago lanceolata, alopecurus myosuroides, persicaria maculosa, trifolium repens, sonchus arvensis, cirsium vulgare, silene latifolia, matricaria chamomilla, malva sylvestris, fallopia convolvulus, poa trivialis, triticum aestivum, taraxacum officinale, elymus repens