xanthium spinosum, argentina anserina, lolium perenne, malva neglecta, polygonum aviculare, achillea millefolium, amaranthus retroflexus, bellis perennis, carduus acanthoides, datura stramonium, lepidium ruderale, matricaria discoidea, oxybasis glauca, pilosella officinarum, plantago major, poa annua, prunella vulgaris, scleranthus annuus, sisymbrium officinale, stellaria media, trifolium repens, urtica urens