gb, cambridgeshire cc, tripleurospermum inodorum, elymus repens, stellaria media, chenopodium album, capsella bursa-pastoris, viola arvensis, fallopia convolvulus, lamium amplexicaule, delphinium paniculatum, cirsium arvense, convolvulus arvensis, delphinium consolida, apera spica-venti, descurainia sophia, papaver rhoeas, veronica hederifolia, veronica persica, arenaria serpyllifolia, lysimachia arvensis, thlaspi arvense, galium aparine, polygonum aviculare, centaurea cyanus, equisetum arvense, veronica polita, poa annua, veronica arvensis, papaver argemone, buglossoides arvensis, sinapis arvensis, veronica triphyllos, artemisia vulgaris, silene noctiflora, lamium purpureum, myosotis arvensis, geranium pusillum, vicia hirsuta, euphorbia helioscopia, erigeron canadensis, arabidopsis thaliana, plantago uliginosa, persicaria lapathifolia, matricaria chamomilla, myosotis stricta, vicia sativa, draba verna, medicago lupulina, erodium cicutarium, scleranthus polycarpos, camelina microcarpa