erigeron canadensis, dactylis glomerata, carduus crispus, potentilla argentea, silene latifolia, artemisia vulgaris, calamagrostis epigejos, carduus nutans, convolvulus arvensis, echium vulgare, elymus repens, knautia arvensis, lupinus polyphyllus, medicago lupulina, rumex acetosella, tanacetum vulgare, vicia cracca