gb, greater manchester south east, capsella bursa-pastoris, cirsium arvense, stellaria media, plantago lanceolata, senecio vulgaris, poa annua, rumex obtusifolius, urtica dioica, ranunculus repens, sonchus oleraceus, jacobaea vulgaris, galium aparine, vicia sativa, trifolium repens, achillea millefolium, bellis perennis, cerastium fontanum, matricaria discoidea, persicaria maculosa, trifolium pratense, heracleum sphondylium, dactylis glomerata, sisymbrium officinale, medicago lupulina, lysimachia arvensis, rumex crispus, sonchus asper, taraxacum officinale, lolium perenne, plantago major, sagina procumbens, papaver rhoeas, centaurea cyanus, rubus fruticosus, cirsium vulgare, lamium purpureum, polygonum aviculare, tripleurospermum inodorum, vicia hirsuta, leucanthemum vulgare, chenopodium album, geranium molle, veronica persica, holcus lanatus, arabidopsis thaliana, euphorbia peplus, centaurea nigra, myosotis arvensis, lamium album, epilobium hirsutum