gb, durham cc, plantago lanceolata, achillea millefolium, trifolium repens, lysimachia arvensis, stellaria media, cerastium fontanum, cirsium arvense, poa annua, jacobaea vulgaris, rumex acetosella, vicia sativa, senecio vulgaris, ranunculus repens, agrostis capillaris, holcus lanatus, capsella bursa-pastoris, veronica arvensis, plantago major, lolium perenne, hypochaeris radicata, trifolium dubium, bellis perennis, matricaria discoidea, sagina procumbens, polygonum aviculare, sonchus oleraceus, persicaria maculosa, dactylis glomerata, sonchus asper, rubus fruticosus, centaurea cyanus, vicia hirsuta, centaurea nigra, prunella vulgaris, gnaphalium uliginosum, viola arvensis, cirsium vulgare, rumex obtusifolius, arabidopsis thaliana, calluna vulgaris, myosotis arvensis, galium aparine, rumex angiocarpus, trifolium pratense, chenopodium album, pteridium aquilinum, cerastium glomeratum, rumex acetosa, heracleum sphondylium, lamium purpureum