cynodon dactylon, elymus repens, sorghum halepense, bromus sterilis, erigeron canadensis, lepidium draba, artemisia vulgaris, brassica rapa, cichorium intybus, cirsium arvense, convolvulus arvensis, crepis foetida, equisetum arvense, hypericum perforatum, medicago lupulina, phleum pratense, plantago major, poa trivialis, rumex obtusifolius, senecio vulgaris, sonchus oleraceus, torilis arvensis, trifolium pratense