centaurea cyanus, equisetum arvense, poa annua, veronica hederifolia, achillea virescens, aphanes microcarpa, arabidopsis thaliana, campanula rapunculoides, capsella bursa-pastoris, chenopodium album, cirsium arvense, draba verna, fallopia convolvulus, galium aparine, gnaphalium uliginosum, lamium amplexicaule, lysimachia arvensis, matricaria chamomilla, myosotis arvensis, odontites vulgaris, papaver rhoeas, poa pratensis, raphanus raphanistrum, roemeria argemone, rumex acetosa, sonchus arvensis, stellaria media, trifolium repens, vicia tetrasperma