apera spica-venti, arabidopsis thaliana, aphanes arvensis, arenaria serpyllifolia, roemeria argemone, veronica hederifolia, vicia hirsuta, viola arvensis, agrostis stolonifera, capsella bursa-pastoris, centaurea cyanus, draba verna, fallopia convolvulus, polygonum aviculare, scleranthus annuus, vicia sativa, achillea millefolium, aira caryophyllea, anthemis arvensis, chenopodium album, elymus repens, equisetum arvense, lapsana communis, matricaria chamomilla, myosotis discolor, papaver dubium, papaver rhoeas, poa annua, poa trivialis, rumex acetosella, stellaria media, veronica triphyllos