Description: Thallus foliose, to 10 cms long attached by thick stipe, broad blade, flattened and fan-like divides into broad sections, membranous and easily tearing. Without veins.

Habitat: Epilithic, generally sublittoral, growing at 30 m depth.

Distribution: Widely distributed on the south-western coasts of the British Isles, has been recorded from the north of Ireland and Scotland. Europe: Portugal, Atlantic coast of Spain and France.

Similar Species: Haraldiophyllum bonnemaisonii and other fan-shaped species.

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

iNaturalist: Drachiella heterocarpa at iNaturalist World Species Observations database.