lolium perenne, erigeron canadensis, poa annua, plantago major, poa compressa, achillea millefolium, amaranthus retroflexus, artemisia vulgaris, carum carvi, heracleum sphondylium, matricaria discoidea, polygonum aviculare, trifolium repens, vicia sepium, matricaria chamomilla, medicago lupulina, urtica dioica