Description: Thallus erect to 10 cms long. The main polysiphonous axis has five periaxial cells and is partly corticated. Well branched and ecorticate for up to 2 cms behind the apex.

Habitat: Sublittoral zone and deep rock pools, also drift.

Distribution: British Isles: a few sites in Ireland and the south of England also recorded from the Channel Islands. Europe: Mediterranean, Atlantic coasts of Spain and France. Further afield: Canary Islands, Morocco, the Caribbean, Bermuda and Hawaii.

Similar Species: Other members of the genus Dasya.

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

iNaturalist: Dasya corymbifera at iNaturalist World Species Observations database.

WoRMS: Dasya corymbifera at World Register of Marine Species.