Description: Large up to 25 cms long, filamentous and branched

Habitat: Not uncommon. Littoral in rock pools.

Distribution: Widely distributed. Recent recordings however are few. Europe: Norway. Atlantic coast of North America: Canada, New Jersey, North Carolina and Florida. Further afield: Canary Islands, Bermuda, Jamaica and Alaska.

Similar Species: Most species of Cladophora are similar and difficult to identify.

Distribution Map from NBN: Cladophora flexuosa at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Cladophora flexuosa at iNaturalist World Species Observations database.

WoRMS: Cladophora flexuosa at World Register of Marine Species. Accepted name: Cladophora flexuosa (O.F.Müller) Kützing, 1843. AphiaID: 145045.

Classification: Biota; Plantae; Viridiplantae; Chlorophyta; Chlorophytina; Ulvophyceae; Cladophorales; Cladophoraceae; Cladophora