text: galeopsis tetrahit, cirsium arvense, myosotis arvensis, viola arvensis, alopecurus myosuroides, buglossoides arvensis, convolvulus arvensis, galium aparine, knautia arvensis, mentha arvensis, phleum pratense, ranunculus arvensis, silene latifolia, sonchus arvensis, valerianella locusta, bromus sterilis, euphorbia helioscopia, lathyrus pratensis, melampyrum arvense, rumex obtusifolius