euphorbia exigua, mercurialis annua, solanum nigrum, agrostis stolonifera, chaenorhinum minus, cirsium arvense, cirsium vulgare, erigeron canadensis, glechoma hederacea, hypericum perforatum, kickxia elatine, kickxia spuria, lapsana communis, mentha arvensis, persicaria maculosa, plantago major, quercus robur, sinapis arvensis, sonchus asper, urtica dioica, verbena officinalis, viola arvensis