brassica napus, convolvulus arvensis, aegopodium podagraria, poa annua, solanum tuberosum, triticum aestivum, apera spica-venti, aphanes arvensis, capsella bursa-pastoris, dactylis glomerata, geranium dissectum, heracleum sphondylium, lamium purpureum, legousia speculum-veneris, medicago lupulina, papaver rhoeas, phleum pratense, plantago major, sherardia arvensis, sonchus asper, stellaria media, thlaspi arvense, valerianella dentata, veronica persica