apera spica-venti, papaver rhoeas, aphanes microcarpa, arabidopsis thaliana, arenaria serpyllifolia, galium aparine, lamium amplexicaule, matricaria chamomilla, myosotis arvensis, stellaria media, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, equisetum arvense, lycopsis arvensis, sonchus arvensis, viola arvensis, veronica hederifolia