gb, cambridgeshire cc, lysimachia arvensis, veronica persica, viola arvensis, fallopia convolvulus, cirsium arvense, papaver rhoeas, sinapis arvensis, myosotis arvensis, galium aparine, euphorbia exigua, medicago lupulina, capsella bursa-pastoris, stellaria media, chenopodium album, convolvulus arvensis, poa annua, veronica arvensis, senecio vulgaris, aphanes arvensis, sonchus asper, arenaria serpyllifolia, achillea millefolium, sonchus arvensis, euphorbia helioscopia, tripleurospermum inodorum, vicia sativa, centaurea cyanus, lamium purpureum, dactylis glomerata, alopecurus myosuroides, plantago lanceolata, polygonum aviculare, hordeum vulgare, lamium amplexicaule, plantago major, veronica hederifolia, trifolium repens, sonchus oleraceus, raphanus raphanistrum, ranunculus repens, matricaria chamomilla, agrostis stolonifera, reseda lutea, urtica dioica, vicia hirsuta, triticum aestivum, equisetum arvense, matricaria discoidea, heracleum sphondylium, daucus carota