eleocharis uniglumis, schoenoplectus lacustris, butomus umbellatus, cyperus flavescens, eleocharis palustris, elymus repens, inula britannica, polygonum aviculare, chaiturus marrubiastrum, convolvulus arvensis, elatine hungarica, gratiola officinalis, lotus angustissimus, lythrum tribracteatum, rumex crispus