Search results
- Potamogeton illinoensis (category Potamogeton)(= P. × faxonii Morong), P. amplifolius × P. illinoensis (= P. × scoliophyllus Hagström), and P. gramineus × P. illinoensis [= P. × spathuliformis (J.4 KB (448 words) - 21:29, 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) - 21:30, 5 November 2020