gb, cambridgeshire cc, urtica dioica, elymus repens, cirsium arvense, stellaria media, capsella bursa-pastoris, galium aparine, ranunculus repens, dactylis glomerata, poa annua, poa trivialis, lolium perenne, chenopodium album, agrostis stolonifera, anthriscus sylvestris, plantago major, rumex crispus, trifolium repens, polygonum aviculare, glechoma hederacea, persicaria amphibia, achillea millefolium, arrhenatherum elatius, matricaria discoidea, phalaris arundinacea, convolvulus arvensis, artemisia vulgaris, poa pratensis, heracleum sphondylium, fallopia convolvulus, equisetum arvense, lamium album, rumex obtusifolius, phragmites australis, holcus lanatus, argentina anserina, tripleurospermum inodorum, plantago lanceolata, sisymbrium officinale, matricaria chamomilla, calystegia sepium, lemna minor, lamium purpureum, phleum pratense, persicaria maculosa, sonchus arvensis, viola arvensis, sonchus oleraceus, senecio vulgaris, veronica persica, agrostis capillaris