pulicaria dysenterica, elymus repens, artemisia vulgaris, symphyotrichum lanceolatum, carex hirta, cirsium arvense, convolvulus arvensis, dactylis glomerata, daucus carota, equisetum arvense, erigeron canadensis, odontites vernus, pastinaca sativa, poa trivialis, rumex crispus, rumex thyrsiflorus, setaria pumila, silene latifolia, sonchus arvensis, urtica dioica