hordeum vulgare, draba verna, viola arvensis, apera spica-venti, arenaria serpyllifolia, papaver rhoeas, scleranthus annuus, veronica triphyllos, anthemis ruthenica, arabidopsis thaliana, capsella bursa-pastoris, cota austriaca, descurainia sophia, elymus repens, myosotis stricta, vicia sativa