text: solanum tuberosum, stellaria media, capsella bursa-pastoris, chenopodium album, sonchus oleraceus, diplotaxis erucoides, poa annua, senecio vulgaris, sonchus asper, urtica urens, cirsium arvense, convolvulus arvensis, erodium cicutarium, euphorbia helioscopia, galium aparine, geranium columbinum, geranium molle, lamium amplexicaule, lathyrus pratensis, medicago lupulina, poa trivialis, polygonum aviculare, rumex crispus, thlaspi arvense, veronica hederifolia