artemisia vulgaris, amaranthus retroflexus, erigeron canadensis, galium aparine, polygonum aviculare, solidago canadensis, tanacetum vulgare, achillea millefolium, arctium lappa, atriplex patula, calamagrostis epigejos, carduus acanthoides, chenopodium album, convolvulus arvensis, coronilla varia, deschampsia cespitosa, lolium perenne, medicago lupulina, melilotus albus, poa compressa, tripleurospermum inodorum, urtica dioica, vicia villosa, cirsium vulgare, dactylis glomerata, linaria vulgaris, plantago major, rumex obtusifolius