anthemis cotula, polygonum aviculare, arctium tomentosum, artemisia absinthium, artemisia annua, bidens tripartita, centaurium pulchellum, echinochloa crus-galli, elymus repens, erigeron canadensis, hordeum murinum, inula britannica, juncus bufonius, lepidium ruderale, lolium perenne, medicago lupulina, oxybasis glauca, plantago major, poa annua, poa pratensis, rorippa austriaca, trifolium hybridum, trifolium pratense