echinochloa crus-galli, setaria pumila, digitaria sanguinalis, barbula unguiculata, brachythecium albicans, oxalis stricta, oxyrrhynchium hians, calystegia sepium, cerastium holosteoides, equisetum arvense, lipandra polysperma, lysimachia arvensis, myosotis arvensis, poa annua, polygonum aviculare, trifolium repens, hypericum perforatum, persicaria maculosa, plantago major, senecio vulgaris, sonchus asper, portulaca oleracea