text: solanum tuberosum, galinsoga parviflora, galium aparine, amaranthus retroflexus, chenopodium album, equisetum arvense, sonchus asper, chenopodiastrum hybridum, cirsium arvense, erodium cicutarium, euphorbia helioscopia, persicaria maculosa, stellaria media, tussilago farfara, veronica persica