populus canadensis, arrhenatherum elatius, holcus lanatus, plantago lanceolata, achillea millefolium, cirsium arvense, rumex acetosa, sonchus oleraceus, aegopodium podagraria, anthriscus sylvestris, cerastium fontanum, galium aparine, medicago lupulina, ranunculus repens, urtica dioica, vicia sativa