poa annua, galinsoga parviflora, dactylis glomerata, elymus repens, trifolium repens, artemisia vulgaris, plantago major, solanum nigrum, sonchus oleraceus, urtica urens, bromus hordeaceus, lepidium ruderale, lolium multiflorum, lolium perenne, matricaria chamomilla, matricaria discoidea, trifolium pratense, tripleurospermum inodorum, amaranthus retroflexus, cirsium arvense, galinsoga quadriradiata, hordeum murinum, plantago lanceolata, sonchus asper, holcus lanatus, carduus acanthoides, rumex crispus, rumex obtusifolius