barbula unguiculata, equisetum arvense, ceratodon purpureus, convolvulus arvensis, erigeron acris, erigeron canadensis, achillea millefolium, anthemis arvensis, bryum argenteum, chenopodium album, cirsium arvense, descurainia sophia, elymus repens, fallopia convolvulus, lactuca serriola, rumex acetosella, tussilago farfara, vicia sativa, agrostis capillaris, bromus hordeaceus, setaria viridis, sonchus asper, tragopogon dubius, viola arvensis