text: solanum tuberosum, poa annua, capsella bursa-pastoris, chenopodium album, chenopodium ficifolium, elymus repens, euphorbia helioscopia, fallopia convolvulus, lysimachia arvensis, matricaria chamomilla, persicaria maculosa, senecio vulgaris, solanum nigrum, sonchus asper, stellaria media, urtica dioica, erysimum cheiranthoides