digitaria sanguinalis, hypericum perforatum, trifolium arvense, artemisia vulgaris, erigeron canadensis, festuca rubra, oenothera ammophila, poa palustris, robinia pseudoacacia, tanacetum vulgare, acer negundo, achillea millefolium, centaurea stoebe, echium vulgare, elymus repens, erigeron annuus, euphorbia cyparissias, petrorhagia prolifera, plantago arenaria, poa compressa, rumex acetosella, saponaria officinalis, arctium tomentosum, cirsium vulgare, coronilla varia, crepis capillaris, daucus carota, hypochaeris radicata, linaria vulgaris, melilotus albus, melilotus officinalis, plantago lanceolata, tripleurospermum inodorum, urtica dioica