capsella bursa-pastoris, spergula arvensis, viola arvensis, polygonum aviculare, stellaria media, apera spica-venti, arabidopsis thaliana, centaurea cyanus, chenopodium album, draba verna, juncus bufonius, matricaria chamomilla, myosotis discolor, persicaria lapathifolia, poa annua, rumex acetosella, scleranthus annuus, senecio vulgaris, veronica arvensis, veronica hederifolia