gb, north hampshire, senecio vulgaris, capsella bursa-pastoris, stellaria media, sonchus oleraceus, lysimachia arvensis, poa annua, papaver rhoeas, veronica persica, lamium purpureum, cirsium arvense, galium aparine, matricaria discoidea, sonchus asper, polygonum aviculare, plantago major, chenopodium album, sisymbrium officinale, vicia sativa, euphorbia peplus, convolvulus arvensis, persicaria maculosa, tripleurospermum inodorum, medicago lupulina, rumex obtusifolius, centaurea cyanus, sinapis arvensis, euphorbia helioscopia, trifolium repens, myosotis arvensis, solanum nigrum, veronica arvensis, rumex crispus, urtica dioica, mercurialis annua, plantago lanceolata, helminthotheca echioides, bellis perennis, lolium perenne, vicia hirsuta, geranium molle, achillea millefolium, ranunculus repens, papaver somniferum, hordeum murinum, geranium dissectum, sagina procumbens, lamium album, viola arvensis, veronica hederifolia, lapsana communis