Photographs: Co. Limerick

Greater Bladderwort Utricularia vulgaris s.s. Lus an bhorraigh Family: Lentibulariaceae Flowering July - August. Insectivorous perennial. Native. Floating, rootless plant with erect, stalked spikes of bright yellow flowers, the lower lip with down-turned margins but flowering is annually variable and temperature dependant. Floating stems with thread like pinnately divided leaves and oval bladders to 3mm long, stems 10-100cm long Widespread but scattered distribution in Ireland in base-rich water in pools in calcareous fens and limestone lakes. Similar: Lesser Bladderwort, Utricularia minor

Greater Bladderwort, Utricularia vulgaris, Lus an bhorraigh