chenopodium album, solanum tuberosum, centaurea cyanus, convolvulus arvensis, digitaria ischaemum, elymus repens, erigeron canadensis, fallopia convolvulus, persicaria lapathifolia, persicaria maculosa, polygonum aviculare, rumex acetosella, setaria viridis, spergula arvensis, achillea millefolium, cichorium intybus, equisetum arvense, galinsoga parviflora, scleranthus perennis, vicia hirsuta