argentina anserina, lolium perenne, bellis perennis, polygonum aviculare, scleranthus annuus, achillea millefolium, agrostis stolonifera, arenaria serpyllifolia, artemisia absinthium, cirsium vulgare, elymus repens, erigeron canadensis, eryngium campestre, euphrasia officinalis, hieracium piliferum, lotus corniculatus, matricaria discoidea, medicago falcata, medicago lupulina, plantago lanceolata, prunella vulgaris, rorippa sylvestris, rumex crispus, trifolium pratense, tripleurospermum inodorum, veronica arvensis