[2] The species is 1–10 centimetres (0.39–3.94 in) long by 1–2 millimetres (0.039–0.079 in) wide and is light green in colour.

[3] It fronds are tubular with it cell arrangement being irregular and 10 micrometres (0.00039 in) in diameter.

[4] It thalli grow as clusters which carry cylindrical and hollow tubes which arise from discoidal cushion.

[2] Besides this places it have a type locality which is and is also common in Ireland and Great Britain.

[10] It is found growing on cobble, boulders, bedrocks, barnacles, driftwood and even on different algae species throughout the semi-protected and protected areas.