de, hamburg, sagina procumbens, poa annua, cymbalaria muralis, pseudofumaria lutea, galinsoga quadriradiata, matricaria discoidea, senecio viscosus, herniaria glabra, erigeron canadensis, asplenium ruta-muraria, elodea nuttallii, capsella bursa-pastoris, senecio vulgaris, claytonia perfoliata, plantago major, erigeron karvinskianus, solanum nigrum, oxalis corniculata, erigeron sumatrensis, polygonum aviculare, stellaria media, lepidium didymum, melilotus albus, chenopodium album, gnaphalium uliginosum, alcea rosea, rosa rugosa, polycarpon tetraphyllum, sonchus oleraceus, berteroa incana, sedum acre, salix caprea, geranium purpureum, tanacetum vulgare, digitaria sanguinalis, mycelis muralis, galinsoga parviflora, potamogeton perfoliatus, viola wittrockiana, solanum lycopersicum, oenothera biennis, petasites hybridus, echinochloa crus-galli, urtica urens, spergularia rubra, centaurea cyanus, diplotaxis tenuifolia, cerastium tomentosum, trifolium arvense, betula pendula