centaurea cyanus, matricaria chamomilla, ranunculus repens, ranunculus sardous, alopecurus myosuroides, apera spica-venti, gnaphalium uliginosum, juncus bufonius, mentha arvensis, myosurus minimus, polygonum aviculare, ranunculus arvensis, stellaria media, arabidopsis thaliana, capsella bursa-pastoris, plantago major, roemeria argemone, rumex acetosella, veronica arvensis, veronica hederifolia, vicia sativa