text: echium vulgare, onopordum acanthium, lycopsis arvensis, carex arenaria, digitaria ischaemum, erigeron canadensis, erodium cicutarium, oenothera biennis, plantago lanceolata, solanum triflorum, agrostis capillaris, cynoglossum officinale, jacobaea vulgaris, rubus caesius, solanum nigrum, verbascum thapsus, corispermum intermedium, crepis capillaris, holcus lanatus, papaver dubium, polygonum aviculare, quercus robur