gb, leeds, cirsium arvense, ranunculus repens, urtica dioica, epilobium hirsutum, rumex crispus, trifolium repens, agrostis stolonifera, dipsacus fullonum, poa annua, persicaria maculosa, plantago major, lolium perenne, plantago lanceolata, poa trivialis, matricaria discoidea, holcus lanatus, polygonum aviculare, cotula coronopifolia, tripleurospermum inodorum, vicia sativa, jacobaea vulgaris, gnaphalium uliginosum, galega officinalis, juncus inflexus, cirsium vulgare, rumex obtusifolius, atriplex prostrata, sonchus asper, medicago lupulina, trifolium pratense, geranium dissectum, helminthotheca echioides, ranunculus sceleratus, stellaria media, elymus repens, persicaria lapathifolia, capsella bursa-pastoris, sisymbrium officinale, argentina anserina, pulicaria dysenterica, lycopus europaeus, dactylis glomerata, artemisia vulgaris, galium aparine, chenopodium album, oenanthe crocata, typha latifolia, trifolium dubium, potentilla reptans, lythrum salicaria