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 A dark brown to matt black lichen forming branching tufts up to 1cm tall. It occurs as patches or may form extensive mats on rocky shores. Thallus composed of flattened branches (lobes), that become rounded at the tips. Spherical fruiting bodies, up to 2 mm in diameter occur at the tips of the branches.Resembles a small seaweed at first glance. It may be confused with Lichina confinis, which is smaller (up to 0.5cm in height) with rounded branches and occurs above high water. Commonly confused with the small branching seaweed Catenella caespitosa, which has a small, dark purple, irregularly branched frond and is restricted to damp crevices and overhangs on the shore.


Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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