tripleurospermum inodorum, capsella bursa-pastoris, erysimum cheiranthoides, gnaphalium uliginosum, oxybasis rubra, persicaria maculosa, poa annua, rorippa palustris, cirsium arvense, equisetum pratense, galium aparine, trifolium repens, viola arvensis, fallopia convolvulus, galinsoga parviflora, oxybasis glauca, plantago major, sonchus arvensis, stachys palustris, stellaria media, amaranthus retroflexus, arabidopsis thaliana, centaurea cyanus, sonchus oleraceus