gb, cambridgeshire cc, cirsium arvense, polygonum aviculare, convolvulus arvensis, matricaria chamomilla, veronica persica, urtica dioica, galium aparine, elymus repens, capsella bursa-pastoris, triticum aestivum, papaver rhoeas, lolium perenne, geranium dissectum, fallopia convolvulus, plantago major, senecio vulgaris, chenopodium album, heracleum sphondylium, ranunculus repens, stellaria media, hordeum vulgare, dactylis glomerata, sonchus asper, rumex crispus, arrhenatherum elatius, poa trivialis, anthriscus sylvestris, trifolium repens, achillea millefolium, sonchus arvensis, poa annua, lamium album, plantago lanceolata, brassica napus, artemisia vulgaris, matricaria discoidea, sinapis arvensis, lamium purpureum, vicia sativa, sonchus oleraceus, euphorbia helioscopia, potentilla reptans, agrostis stolonifera, pastinaca sativa, lysimachia arvensis, beta vulgaris, glechoma hederacea, linaria vulgaris, raphanus raphanistrum, cirsium vulgare