Collection locality: Houghton Regis Chalk Pit (marl lakes) SSSI, Bedfordshire, England Date collected: May 2013 Ecology/habitat: Small marl lake
Notes: Mass of filaments showing constricted cross walls
Reference: The Freshwater Algal Flora of the British Isles 2nd edn (2011), p. 110, pl. 23A (p. 109)
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith