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- Potamogeton oblongus, Potamogeton obtusifolius, Potamogeton ogdenii, Potamogeton perfoliatus, Potamogeton praelongus, Potamogeton pulcher, Potamogeton18 KB (1,124 words) - 20:31, 5 November 2020
- Potamogeton gramineus (category Potamogeton)alpinus × P. gramineus (= P. × nericius Hagström), P. gramineus × P. perfoliatus (= P. × nitens Weber [P. × subnitens Hagström]), P. gramineus × P. natans5 KB (516 words) - 20:30, 5 November 2020