Polysiphonia furcellata (C.Agardh) Harvey is small marine red alga in the Division Rhodophyta.
Description This red alga is a branched algae growing to 10 cm. The erect branches are ecorticate composed of a central axis of cells surrounded by 7 or 8 paraxial cells, all of the same length in a ring around the axial cells. The rhizoids are numerous growing from the pericentral cells. Gametangial and tetrasporangial plants are not known. Reproduction is by specialized propagules Maggs, C.A. and Hommersand, M.H. Seaweeds of the British Isles. Volume 1 Rhodophyta Part 3A Ceramiales. The Natural History Museum
Distribution England, Wales, Ireland, Isle of Man and Scotland.Hardy, F.G. and Guiry, M.D. 2003. A Check-list and Atlas of Seaweeds of Britain and Ireland. British Phycological Society Canary Islands and in the Mediterranean.
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