centaurea cyanus, apera spica-venti, scleranthus annuus, vicia sativa, fallopia convolvulus, polygonum aviculare, stellaria media, trifolium repens, veronica arvensis, viola arvensis, arnoseris minima, capsella bursa-pastoris, chenopodium album, draba verna, galeopsis tetrahit, matricaria chamomilla, poa angustifolia, poa trivialis, rumex acetosella, senecio vulgaris, spergula arvensis, viola tricolor