lactuca serriola, impatiens parviflora, melilotus albus, chaenorhinum minus, equisetum arvense, eupatorium cannabinum, medicago lupulina, robinia pseudoacacia, rubus idaeus, solidago gigantea, elymus repens, erigeron annuus, erigeron canadensis, populus tremula, sonchus oleraceus, carpinus betulus, crepis biennis, oenothera biennis, verbascum thapsus