apera spica-venti, elymus repens, chenopodium album, crepis tectorum, erigeron canadensis, achillea millefolium, arenaria serpyllifolia, artemisia absinthium, echium vulgare, equisetum arvense, scleranthus annuus, setaria viridis, silene latifolia, spergula arvensis, raphanus raphanistrum