solidago canadensis, eupatorium cannabinum, sonchus arvensis, tanacetum vulgare, carduus acanthoides, echium vulgare, erigeron canadensis, geranium robertianum, humulus lupulus, melilotus albus, melilotus officinalis, populus nigra, reseda lutea, sisymbrium loeselii, tripleurospermum inodorum, achillea millefolium, chamaenerion dodonaei, cichorium intybus, cirsium arvense, dipsacus fullonum, oenothera biennis, pastinaca sativa