gb, oxfordshire, cirsium arvense, galium aparine, urtica dioica, convolvulus arvensis, helminthotheca echioides, geranium dissectum, heracleum sphondylium, polygonum aviculare, capsella bursa-pastoris, papaver rhoeas, dactylis glomerata, veronica persica, sinapis arvensis, lolium perenne, anthriscus sylvestris, rumex crispus, stellaria media, ranunculus repens, senecio vulgaris, lysimachia arvensis, sonchus asper, trifolium repens, plantago major, plantago lanceolata, vicia sativa, sonchus oleraceus, bromus sterilis, arrhenatherum elatius, elymus repens, medicago lupulina, poa trivialis, cirsium vulgare, sonchus arvensis, lamium album, poa annua, chenopodium album, potentilla reptans, alopecurus myosuroides, lamium purpureum, matricaria discoidea, epilobium hirsutum, trifolium pratense, rubus fruticosus, fallopia convolvulus, rumex obtusifolius, triticum aestivum, crataegus monogyna, achillea millefolium, matricaria chamomilla, agrostis stolonifera