elymus repens, digitaria sanguinalis, inula britannica, jacobaea vulgaris, rorippa palustris, xanthium strumarium, allium angulosum, anthoxanthum repens, asparagus officinalis, echinochloa crus-galli, eleocharis acicularis, euphorbia tommasiniana, lotus corniculatus, plantago major, rumex stenophyllus, sibbaldianthe bifurca