glycyrrhiza echinata, anthoxanthum repens, althaea officinalis, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, inula britannica, jacobaea vulgaris, juncus gerardi, mentha arvensis, plantago major, potentilla reptans, setaria pumila, stachys palustris, bolboschoenus maritimus, elymus repens, rumex stenophyllus, xanthium strumarium