text: carduus nutans, cynoglossum officinale, echium vulgare, verbascum densiflorum, carex hirta, medicago lupulina, oenothera biennis, achillea millefolium, anchusa officinalis, arrhenatherum elatius, artemisia absinthium, carex caryophyllea, ceratodon purpureus, convolvulus arvensis, elymus repens, erigeron canadensis, erodium cicutarium, fallopia convolvulus, lactuca serriola, potentilla argentea, rumex acetosella, chenopodium album, cirsium arvense