gb, lincolnshire, cirsium arvense, ranunculus repens, urtica dioica, lolium perenne, agrostis stolonifera, trifolium repens, rumex crispus, elymus repens, poa trivialis, polygonum aviculare, matricaria discoidea, plantago major, galium aparine, poa annua, stellaria media, dactylis glomerata, convolvulus arvensis, holcus lanatus, plantago lanceolata, capsella bursa-pastoris, chenopodium album, geranium dissectum, cirsium vulgare, epilobium hirsutum, heracleum sphondylium, persicaria maculosa, tripleurospermum inodorum, veronica persica, helminthotheca echioides, sonchus asper, phragmites australis, argentina anserina, arrhenatherum elatius, sonchus arvensis, matricaria chamomilla, raphanus raphanistrum, potentilla reptans, trifolium pratense, achillea millefolium, anthriscus sylvestris, bromus hordeaceus, atriplex prostrata, althaea officinalis, lolium multiflorum, juncus inflexus, rumex obtusifolius, calystegia sepium, sisymbrium officinale, sonchus oleraceus, senecio vulgaris