Pictorial guide to the flora of the British Isles

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Potamogetonaceae

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Taxa with pictures are marked [Pictured]

  1. [Pictured] Groenlandia densa (L.) Fourr. – opposite-leaved pondweed
  2. Potamogeton acutifolius Link ex Spreng. – sharp-leaved pondweed
  3. [Pictured] Potamogeton alpinus Balb. – red pondweed
  4. [Pictured] Potamogeton berchtoldii Fieber – small pondweed
  5. Potamogeton coloratus Hornem. – fen pondweed
  6. Potamogeton compressus L. – grass-wrack pondweed
  7. [Pictured] Potamogeton crispus L. – curled potamogeton
  8. Potamogeton epihydrus Raf. – American pondweed
  9. Potamogeton friesii Rupr. – flat-stalked pondweed
  10. Potamogeton gramineus L. – various-leaved pondweed
  11. Potamogeton lucens L. – shining pondweed
  12. [Pictured] Potamogeton natans L. – broad-leaved pondweed
  13. [Pictured] Potamogeton nodosus Poir. – Loddon pondweed
  14. [Pictured] Potamogeton obtusifolius Mert. & W. D. J. Koch – blunt-leaved pondweed
  15. [Pictured] Potamogeton perfoliatus L. – perfoliate pondweed
  16. [Pictured] Potamogeton polygonifolius Pourr. – bog pondweed
  17. [Pictured] Potamogeton praelongus Wulfen – long-stalked pondweed
  18. [Pictured] Potamogeton pusillus L. – lesser pondweed
  19. Potamogeton rutilus Wolfg. – Shetland pondweed
  20. Potamogeton trichoides Cham. & Schltdl. – hairlike pondweed
  21. Potamogeton × angustifolius J. Presl – long-leaved pondweed
  22. Potamogeton × cooperi (Fryer) Fryer – Cooper’s pondweed
  23. Potamogeton × lintonii Fryer – Linton’s pondweed
  24. Potamogeton × nitens Weber – bright-leaved pondweed
  25. Potamogeton × olivaceus Baagøe ex G. Fisch. – graceful pondweed
  26. Potamogeton × salicifolius Wolfg. – willow-leaved pondweed
  27. Potamogeton × schreberi G. Fisch. – Schreber’s pondweed
  28. Potamogeton × sparganiifolius Laest. ex Fr. – ribbon-leaved pondweed
  29. [Pictured] Stuckenia filiformis (Pers.) Börner – slender-leaved pondweed
  30. [Pictured] Stuckenia pectinata (L.) Börner – fennel pondweed
  31. Stuckenia × bottnica (Hagstr.) Holub – Bothnian pondweed
  32. Stuckenia × suecica (K. Richt.) Holub – Swedish pondweed
  33. Zannichellia palustris L. – horned pondweed
    1. [Pictured] Zannichellia palustris subsp. palustris L. – sessile horned pondweed
    2. Zannichellia palustris subsp. pedicellata (Fr.) Syme – pedicellate horned pondwed
L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne