gb, north yorkshire cc, cirsium arvense, urtica dioica, galium aparine, rubus fruticosus, heracleum sphondylium, ranunculus repens, rumex crispus, anthriscus sylvestris, stellaria media, capsella bursa-pastoris, dactylis glomerata, lamium album, cirsium vulgare, convolvulus arvensis, crataegus monogyna, elymus repens, arrhenatherum elatius, vicia sativa, epilobium hirsutum, tripleurospermum inodorum, sonchus arvensis, senecio vulgaris, helminthotheca echioides, plantago lanceolata, arctium minus, plantago major, lolium perenne, sonchus asper, poa trivialis, trifolium repens, chenopodium album, jacobaea vulgaris, polygonum aviculare, artemisia vulgaris, poa annua, rumex obtusifolius, sonchus oleraceus, matricaria discoidea, lysimachia arvensis, holcus lanatus, papaver rhoeas, achillea millefolium, persicaria maculosa, geranium dissectum, veronica persica, raphanus raphanistrum, bromus sterilis, lamium purpureum, dipsacus fullonum, sisymbrium officinale