anchusa officinalis, oenothera biennis, agrostis capillaris, echium vulgare, elymus repens, poa pratensis, potentilla reptans, rubus caesius, agrostis stolonifera, bromus hordeaceus, cerastium arvense, cirsium vulgare, cynoglossum officinale, holcus lanatus, hypericum perforatum, rumex crispus, verbascum thapsus, erigeron canadensis