text: solanum tuberosum, amaranthus retroflexus, amaranthus powellii, capsella bursa-pastoris, elymus repens, equisetum arvense, euphorbia helioscopia, euphorbia peplus, galinsoga quadriradiata, galium aparine, lamium amplexicaule, lamium purpureum, mentha arvensis, plantago lanceolata, ranunculus repens, senecio vulgaris, sonchus arvensis, sonchus asper, sonchus oleraceus, stellaria media, symphytum officinale, thlaspi arvense, veronica persica, plantago uliginosa, stachys palustris, trifolium pratense