artemisia vulgaris, agrostis gigantea, cirsium vulgare, erigeron canadensis, helianthus tuberosus, melilotus albus, tussilago farfara, achillea millefolium, carex hirta, chenopodium album, cichorium intybus, cirsium oleraceum, daucus carota, diplotaxis tenuifolia, equisetum arvense, erigeron annuus, galeopsis pubescens, galinsoga parviflora, galium album, iberis linifolia, knautia drymeia, lolium pratense, lotus corniculatus, medicago lupulina, melilotus officinalis, pastinaca sativa, plantago lanceolata, plantago major, poa pratensis, ranunculus acris, setaria pumila, sisymbrium officinale, sonchus asper, stachys palustris, trifolium pratense, vicia cracca