secale cereale, arnoseris minima, scleranthus annuus, anthemis arvensis, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, draba verna, fallopia convolvulus, rumex acetosella, spergula morisonii, veronica dillenii, viola arvensis, viola tricolor, ornithopus sativus, persicaria lapathifolia, roemeria argemone