text: secale cereale, convolvulus arvensis, galium spurium, sonchus arvensis, stellaria media, viola arvensis, chenopodium album, cirsium arvense, stachys palustris, arenaria leptoclados, campanula rapunculoides, capsella bursa-pastoris, centaurea cyanus, euphorbia helioscopia, geranium pusillum, lamium amplexicaule, papaver rhoeas, polygonum aviculare, ranunculus repens, sinapis arvensis, thlaspi arvense, veronica agrestis, anchusa officinalis