gb, cardiff and vale of glamorgan, galium aparine, senecio vulgaris, polygonum aviculare, lysimachia arvensis, ranunculus repens, cirsium arvense, heracleum sphondylium, matricaria discoidea, poa annua, capsella bursa-pastoris, veronica persica, stellaria media, sonchus asper, plantago major, chenopodium album, trifolium repens, urtica dioica, geranium dissectum, gnaphalium uliginosum, lamium purpureum, lapsana communis, lolium perenne, persicaria maculosa, convolvulus arvensis, vicia sativa, rumex obtusifolius, achillea millefolium, euphorbia helioscopia, sonchus oleraceus, plantago lanceolata, myosotis arvensis, viola arvensis, dactylis glomerata, poa trivialis, vicia hirsuta, aethusa cynapium, rumex crispus, fallopia convolvulus, papaver rhoeas, raphanus raphanistrum, sisymbrium officinale, trifolium pratense, cerastium glomeratum, lamium album, leycesteria formosa, matricaria chamomilla, dioscorea communis, glechoma hederacea, hedera helix, centaurea cyanus