Description: Thallus endophytic emerging as very small gelatinous cushions tuft-like up to 1 mm in diameter epiphytic on Fucus. Central region consisting of erect closely packed branches.

Habitat: Very rare.

Distribution: Apparently widespread around the British Isles. Europe: France. Greenland.

Similar Species: There are a many similar small algae - all require microscopic examination to identify.

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

iNaturalist: Myriactula clandestina at iNaturalist World Species Observations database.

GBIF data for Myriactula clandestina

WoRMS: Myriactula clandestina at World Register of Marine Species. Accepted name: Myriactula clandestina (P.Crouan & H.Crouan) Feldmann, 1945. AphiaID: 144960.

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