scleranthus annuus, apera spica-venti, arnoseris minima, centaurea cyanus, vicia sativa, draba verna, poa annua, rumex acetosella, viola arvensis, capsella bursa-pastoris, chenopodium album, fallopia convolvulus, galeopsis tetrahit, galium aparine, myosotis discolor, polygonum aviculare, ranunculus repens, spergula arvensis, stellaria media, teesdalia nudicaulis, viola tricolor