aristolochia clematitis, convolvulus arvensis, elymus repens, anthriscus cerefolium, capsella bursa-pastoris, cirsium arvense, crepis foetida, cynodon dactylon, erigeron canadensis, fumaria schleicheri, lactuca saligna, lactuca serriola, lathyrus tuberosus, lepidium draba, lotus corniculatus, sonchus oleraceus, taraxacum minimum