gb, south west wales, cirsium arvense, urtica dioica, galium aparine, heracleum sphondylium, ranunculus repens, lolium perenne, dactylis glomerata, capsella bursa-pastoris, anthriscus sylvestris, stellaria media, convolvulus arvensis, rumex crispus, chenopodium album, plantago lanceolata, rumex obtusifolius, polygonum aviculare, senecio vulgaris, elymus repens, trifolium repens, arrhenatherum elatius, veronica persica, triticum aestivum, achillea millefolium, geranium dissectum, poa annua, plantago major, lamium purpureum, poa trivialis, lamium album, matricaria discoidea, sonchus asper, holcus lanatus, papaver rhoeas, prunus spinosa, sonchus arvensis, tripleurospermum inodorum, potentilla reptans, cirsium vulgare, sisymbrium officinale, persicaria maculosa, raphanus raphanistrum, bromus hordeaceus, bromus sterilis, rumex acetosa, sonchus oleraceus, crataegus monogyna, viola arvensis, lysimachia arvensis, rubus fruticosus, artemisia vulgaris