ch, basel-landschaft, chenopodium album, capsella bursa-pastoris, convolvulus arvensis, senecio vulgaris, cirsium arvense, veronica persica, poa annua, sonchus oleraceus, stellaria media, sinapis arvensis, plantago major, lysimachia arvensis, elymus repens, atriplex patula, sonchus asper, mercurialis annua, viola arvensis, papaver rhoeas, persicaria maculosa, fallopia convolvulus, lipandra polysperma, equisetum arvense, solanum nigrum, galium aparine, lamium purpureum, euphorbia helioscopia, erigeron canadensis, tripleurospermum inodorum, polygonum aviculare, amaranthus retroflexus, setaria viridis, trifolium repens, persicaria lapathifolia, matricaria chamomilla, apera spica-venti, myosotis arvensis, medicago lupulina, aethusa cynapium, arenaria serpyllifolia, sagina procumbens, thlaspi arvense, galinsoga parviflora, chaenorhinum minus, veronica arvensis, lactuca serriola, ranunculus repens, centaurea cyanus, lapsana communis, rumex crispus, euphorbia exigua