solidago gigantea, ambrosia artemisiifolia, arabidopsis thaliana, arenaria serpyllifolia, artemisia vulgaris, cerastium brachypetalum, cerastium glomeratum, convolvulus arvensis, elymus repens, equisetum hyemale, euphorbia esula, euphorbia helioscopia, melilotus altissimus, oenothera biennis, persicaria maculosa, phragmites australis, plantago lanceolata, populus nigra, salix caprea, salix viminalis, trifolium patens