gb, kent thames gateway, cirsium arvense, polygonum aviculare, ranunculus repens, trifolium repens, poa annua, capsella bursa-pastoris, lolium perenne, matricaria discoidea, stellaria media, plantago major, galium aparine, urtica dioica, viola arvensis, chenopodium album, persicaria maculosa, senecio vulgaris, tripleurospermum inodorum, fallopia convolvulus, plantago lanceolata, rumex crispus, lysimachia arvensis, gnaphalium uliginosum, achillea millefolium, holcus lanatus, heracleum sphondylium, veronica persica, poa trivialis, sonchus asper, dactylis glomerata, agrostis stolonifera, convolvulus arvensis, elymus repens, lamium purpureum, vicia sativa, trifolium pratense, rumex obtusifolius, raphanus raphanistrum, triticum aestivum, sonchus arvensis, myosotis arvensis, matricaria chamomilla, papaver rhoeas, geranium dissectum, rumex acetosa, bromus hordeaceus, cirsium vulgare, euphorbia helioscopia, potentilla reptans, ranunculus acris, vicia hirsuta