hordeum vulgare, centaurea cyanus, cirsium arvense, equisetum arvense, matricaria chamomilla, sonchus arvensis, stellaria media, agrostemma githago, anthemis arvensis, apera spica-venti, arabidopsis thaliana, bromus hordeaceus, bromus secalinus, buglossoides arvensis, capsella bursa-pastoris, chenopodium album, erigeron canadensis, fallopia convolvulus, gagea arvensis, galeopsis ladanum, gnaphalium uliginosum, myosotis arvensis, papaver rhoeas, polygonum aviculare, psammophiliella muralis, rumex acetosella, spergularia rubra, stachys palustris, viola arvensis