text: Yellow sepals, pollen tricolpate, smaller plants, with few-flowered decumbent stems rooting at the nodes after flowering. Grows at the northern edges of the distribution area of the species and on erosion prone banks.→ C. palustris var. radicans =
  C. palustris var. aleutensis, var. siberica (Tolmachev, 1955)
  C. arctica, C. cespitosa, C. flabellifolia, C. zetlandica
  Yellow sepals, pollen tricolpate, larger plants, with many-flowered erect stems rooting at the nodes after flowering. Occurs in the Netherlands in a fresh water tidal zone (De Biesbosch).→ C. palustris var. araneosa (only generally recognised in the Netherlands)
  White sepals, pollen pantoporate or sometimes tricolpate. Between 2200 and 3500 m along rivulets in Afghanistan, Pakistan and the western Himalayas from Kashmir to northern India.→ C. palustris var. alba =
  C. palustris forma alpina, f. sylvatica
  C. alba
  Magenta sepals, pollen tricolpate. Between 4000 and 5000 m in alpine meadows and mossy slopes between shrubs and tall herbs in the eastern Himalayas of Assam and southern Tibet.→ C. palustris var. purpurea =
  C. rubriflora
  The 2006–2007 edition of the Royal Horticultural Society Plant Finder, a British publication which lists over 70,000 plants available in nurseries in the United Kingdom, lists in addition to these varieties the following cultivars: Single flowered: "Marilyn", "Trotter's form", "Yellow Giant".
  Double flowered: "Flore Pleno" (RHS's Award of Garden Merit), "Multiplex", "Plena", "Semiplena".