gb, cambridgeshire cc, cirsium arvense, galium aparine, urtica dioica, stellaria media, capsella bursa-pastoris, rumex crispus, chenopodium album, poa annua, ranunculus repens, elymus repens, anthriscus sylvestris, lolium perenne, polygonum aviculare, heracleum sphondylium, convolvulus arvensis, matricaria discoidea, dactylis glomerata, senecio vulgaris, tripleurospermum inodorum, poa trivialis, trifolium repens, plantago major, lamium purpureum, rumex obtusifolius, veronica persica, sonchus asper, sonchus arvensis, plantago lanceolata, sonchus oleraceus, papaver rhoeas, viola arvensis, persicaria maculosa, matricaria chamomilla, bromus sterilis, agrostis stolonifera, cirsium vulgare, sinapis arvensis, lamium album, geranium dissectum, arrhenatherum elatius, fallopia convolvulus, lysimachia arvensis, raphanus raphanistrum, holcus lanatus, achillea millefolium, sisymbrium officinale, bromus hordeaceus, atriplex patula, rubus fruticosus, alopecurus myosuroides