elymus repens, erigeron canadensis, poa pratensis, agrostis capillaris, apera spica-venti, arabidopsis thaliana, arenaria serpyllifolia, artemisia vulgaris, centaurea cyanus, chenopodium album, equisetum arvense, fallopia convolvulus, myosotis arvensis, trifolium arvense, trifolium campestre, tripleurospermum inodorum, veronica arvensis, vicia hirsuta, viola arvensis, crepis tectorum, euphorbia helioscopia, fumaria officinalis, vicia cracca