tussilago farfara, medicago lupulina, amaranthus retroflexus, artemisia vulgaris, calamagrostis epigejos, carduus acanthoides, cirsium arvense, convolvulus arvensis, epilobium tetragonum, erigeron canadensis, urtica dioica, achillea millefolium, atriplex tatarica, lepidium ruderale, poa annua, sinapis arvensis, solanum nigrum, stellaria media, tripleurospermum inodorum