eleocharis uniglumis, schoenoplectus lacustris, butomus umbellatus, cyperus flavescens, elatine hungarica, eleocharis palustris, elymus repens, inula britannica, polygonum aviculare, chaiturus marrubiastrum, cirsium arvense, gratiola officinalis, lythrum tribracteatum, myosurus minimus, rumex crispus