Pictorial guide to the flora of the British Isles

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Polygonaceae

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Taxa with pictures are marked [Pictured]

  1. Bistorta affinis (D. Don) Greene – rockery bistort
  2. [Pictured] Bistorta amplexicaulis (D. Don) Greene – red bistort
  3. [Pictured] Bistorta officinalis Delarbre – common bistort
  4. [Pictured] Bistorta vivipara (L.) Delarbre – Alpine bistort
  5. Fagopyrum cymosum (Trevir.) Meisn. – tall buckwheat
  6. [Pictured] Fagopyrum esculentum Moench – buckwheat
  7. Fagopyrum tataricum (L.) Gaertn. – green buckwheat
  8. [Pictured] Fallopia baldschuanica (Regel) Holub – Russian vine
  9. [Pictured] Fallopia convolvulus (L.) Á. Löve – black bindweed
  10. Fallopia dumetorum (L.) Holub – copse bindweed
  11. Koenigia alpina (All.) T. M. Schust. & Reveal – Alpine knotweed
  12. [Pictured] Koenigia campanulata (Hook. f.) T. M. Schust. & Reveal – lesser knotweed
  13. Koenigia islandica L. – Iceland purslane
  14. Koenigia mollis (D. Don) T. M. Schust. & Reveal – soft knotweed
  15. [Pictured] Koenigia polystachya (Wall. ex Meisn.) T. M. Schust. & Reveal – Himalayan knotweed
  16. Koenigia weyrichii (F. Schmidt) T. M. Schust. & Reveal – Chinese knotweed
  17. Koenigia × fennica (Reierson) T. M. Schust. & Reveal – Finnish knotweed
  18. [Pictured] Muehlenbeckia complexa (A. Cunn.) Meisn. – wireplant
  19. [Pictured] Oxyria digyna (L.) Hill – mountain sorrel
  20. [Pictured] Persicaria amphibia (L.) Delarbre – amphibious bistort
  21. [Pictured] Persicaria capitata (Buch.-Ham. ex D. Don) H. Gross – pink-headed persicaria
  22. [Pictured] Persicaria hydropiper (L.) Delarbre – water pepper
  23. [Pictured] Persicaria lapathifolia (L.) Delarbre – pale persicaria
  24. [Pictured] Persicaria maculosa Gray – redshank
  25. [Pictured] Persicaria minor (Huds.) Opiz – small water-pepper
  26. [Pictured] Persicaria mitis (Schrank) Assenov – tasteless water-pepper
  27. Persicaria nepalensis (Meisn.) H. Gross – Nepal persicaria
  28. Persicaria pensylvanica (L.) M. Gómez – pinkweed
  29. Persicaria sagittata (L.) H. Gross ex Nakai – American tear-thumb
  30. Polygonum arenarium Waldst. & Kit. – lesser red knotgrass
  31. [Pictured] Polygonum aviculare L. – knotgrass
  32. Polygonum bellardii All. – red knotgrass
  33. [Pictured] Polygonum boreale (Lange) Small – northern knotgrass
  34. Polygonum cognatum Meisn. – Indian knotgrass
  35. [Pictured] Polygonum depressum A. Cunn. ex Meisn. – equal-leaved knotgrass
  36. [Pictured] Polygonum maritimum L. – sea knotgrass
  37. [Pictured] Polygonum oxyspermum C. A. Mey. & Bunge – Ray’s knotgrass
  38. [Pictured] Polygonum rurivagum Jord. ex Boreau – cornfield knotgrass
  39. [Pictured] Reynoutria japonica Houtt. – Japanese knotweed
  40. Reynoutria sachalinensis (F. Schmidt) Nakai – giant knotweed
  41. Reynoutria × bohemica Chrtek & Chrtková – Conolly’s knotweed
  42. Rheum palmatum L. – ornamental rhubarb
  43. [Pictured] Rheum × rhabarbarum L. – rhubarb
  44. [Pictured] Rumex acetosa L. – common sorrel
  45. [Pictured] Rumex acetosella L. – sheep’s sorrel
  46. [Pictured] Rumex alpinus L. – monk’s rhubarb
  47. [Pictured] Rumex aquaticus L. – Scottish dock
  48. Rumex confertus Willd. ex Schltdl. – Russian dock
  49. [Pictured] Rumex conglomeratus Murray – clustered dock
  50. [Pictured] Rumex crispus L. – curled dock
  51. Rumex cristatus DC. – Greek dock
  52. Rumex cuneifolius Campd. – Argentine dock
  53. Rumex dentatus L. – Aegean dock
  54. [Pictured] Rumex hydrolapathum Huds. – water dock
  55. Rumex longifolius DC. – northern dock
  56. [Pictured] Rumex maritimus L. – golden dock
  57. Rumex obovatus Danser – obovate-leaved dock
  58. [Pictured] Rumex obtusifolius L. – broad-leaved dock
  59. Rumex palustris Sm. – marsh dock
  60. Rumex patientia L. – patience dock
  61. [Pictured] Rumex pulcher L. – fiddle dock
  62. [Pictured] Rumex rupestris Le Gall – shore dock
  63. Rumex salicifolius T. Lestib. – willow-leaved dock
  64. [Pictured] Rumex sanguineus L. – wood dock
  65. [Pictured] Rumex scutatus L. – French sorrel
L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne