Description: Fronds gelatinous and branching from the base to 12 cms long. The frond is axial with branches compacted around the axis.

Habitat: Rare. Low littoral rock pools.

Distribution: Widespread with a western distribution in the British Isles. Europe: France and the Baltic.

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

iNaturalist: Mesogloia lanosa at iNaturalist World Species Observations database.

WoRMS: Mesogloia lanosa at World Register of Marine Species. Accepted name: Mesogloia lanosa P.L.Crouan & H.M.Crouan, 1867. AphiaID: 144922.

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