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Greater Bladderwort / Common Bladderwort Floating, rootless plant, erect stems with stalked spikes of bright yellow flowers, lower lip with down-turned margins. All floating stems with pinnately-divided, thread-like leaves and oval bladders to 3mm long. Floating stems 10-100cm long. Flowering is annually variable and temperature dependant. Usually found in base-rich water, pools in calcareous fens, limestone lakes. |
Greater Bladderwort, Utricularia vulgaris. Co. Limerick, June 2009