gb, durham cc, capsella bursa-pastoris, stellaria media, plantago lanceolata, lolium perenne, cirsium arvense, poa annua, urtica dioica, trifolium repens, dactylis glomerata, achillea millefolium, ranunculus repens, heracleum sphondylium, rumex obtusifolius, senecio vulgaris, matricaria discoidea, sisymbrium officinale, geranium molle, lamium album, polygonum aviculare, trifolium pratense, galium aparine, bromus hordeaceus, convolvulus arvensis, medicago lupulina, plantago major, veronica persica, rumex crispus, sonchus oleraceus, bellis perennis, vicia sativa, arrhenatherum elatius, anthriscus sylvestris, chenopodium album, cerastium fontanum, lamium purpureum, poa trivialis, holcus lanatus, sonchus asper, geranium dissectum, papaver rhoeas, cirsium vulgare, jacobaea vulgaris, bromus sterilis, veronica arvensis, rumex acetosa, lysimachia arvensis, potentilla reptans, poa pratensis, persicaria maculosa, trifolium dubium