secale cereale, anthemis arvensis, arabidopsis thaliana, centaurea cyanus, equisetum arvense, myosotis stricta, spergula arvensis, apera spica-venti, cirsium arvense, convolvulus arvensis, digitaria ischaemum, draba verna, euphorbia helioscopia, gemmabryum caespiticium, polygonum aviculare, rhinanthus serotinus, riccia glauca, rumex acetosella, scleranthus annuus, setaria pumila, sonchus arvensis, tortula truncata, veronica triphyllos, vicia grandiflora, vicia tetrasperma, vicia villosa