brassica nigra, chenopodium ficifolium, artemisia vulgaris, cirsium arvense, oxybasis rubra, persicaria maculosa, carduus crispus, carex hirta, chenopodium album, dactylis glomerata, elymus repens, erysimum cheiranthoides, glechoma hederacea, lolium perenne, matricaria chamomilla, matricaria discoidea, persicaria lapathifolia, plantago major, poa annua, ranunculus repens, solanum nigrum, sonchus asper, stellaria media, symphytum officinale, tanacetum vulgare, urtica dioica, rumex crispus