Potamogeton perfoliatus
potamogeton perfoliatus leaves.jpg

© Ian Dodkins, www.habitas.org.uk/flora

potamogeton perfoliatus leaves 1.jpg

© Ian Dodkins, www.habitas.org.uk/flora

potamogeton perfoliatus habit.jpg

© Ian Dodkins, www.habitas.org.uk/flora

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