erigeron canadensis, erigeron acris, capsella bursa-pastoris, carduus acanthoides, cirsium arvense, daucus carota, eryngium campestre, jacobaea erucifolia, poa angustifolia, reseda lutea, centaurea diffusa, echium vulgare, lappula marginata, melilotus albus, melilotus officinalis, tragopogon dubius