Range & Status
A crustose species found exclusively on 5-10mm wide pebbles or ma\'ebrl fragments where it forms tiny erect reproductive papillae. It is exclusively subtidal at depths of 3-9m and very rare. Largely western in its distribution it is known from the Falmouth and Helford estuaries, the Isles of Scilly, Lleyn Peninsula (North Wales), western Ireland and possibly western Scotland. It is a UK List Priority Species. The recently adopted name of this species is Grateloupia montagnei (P.L. Crouan & H.M. Crouan). R.J.Wilkes, L.M.McIvor & Guiry.