polygonum aviculare, agrostis capillaris, digitaria ischaemum, poa annua, rumex acetosella, bryum argenteum, elymus repens, lolium perenne, spergularia rubra, chenopodium album, erigeron canadensis, plantago major, spergula arvensis, achillea millefolium, artemisia vulgaris, plantago lanceolata