corispermum intermedium, artemisia vulgaris, digitaria ischaemum, apera spica-venti, carex hirta, chenopodium album, corynephorus canescens, elymus repens, erigeron canadensis, hypericum perforatum, lolium perenne, medicago lupulina, rumex acetosella, setaria viridis, echium vulgare, fallopia convolvulus, linaria vulgaris, scleranthus intermedius, silene latifolia, plantago lanceolata, verbascum densiflorum