Description: Thallus much branched and tubular in the older parts. Branches dichotomously up to 50 cms long with an outer layer of short closely packed radial assimilatory branches.

Habitat: Rare on rocks in the lower littoral.

Distribution: A few scattered records from the British Isles. Europe: France.

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

iNaturalist: Stilopsis lejolisii at iNaturalist World Species Observations database.

WoRMS: Stilopsis lejolisii at World Register of Marine Species. Accepted name: Stilopsis lejolisii (Thuret) Kuckuck & Nienburg ex G.Hamel, 1937. AphiaID: 145010.

Classification: Biota; Chromista; Harosa; Heterokonta; Ochrophyta; Phaeophyceae; Fucophycidae; Ectocarpales; Chordariaceae; Stilopsis