convolvulus arvensis, lysimachia arvensis, bifora radians, euphorbia exigua, polygonum aviculare, sinapis arvensis, avena fatua, lathyrus tuberosus, myosotis arvensis, papaver rhoeas, persicaria lapathifolia, persicaria maculosa, veronica hederifolia, viola arvensis, euphorbia helioscopia, vicia cracca, galium aparine, galium verum, lycopsis arvensis, silene latifolia, vicia tetrasperma