Polysiphonia fibrillosa (Dillwyn) Sprengel is a species of marine red alga in the Rhodophyta. Polysiphonia fibrillose is a fine red alga which grows to...

Polysiphonia, known as red hair algae, is a genus of filamentous red algae with about 19 species on the coasts of the British Isles and about 200 species...

include: Polysiphonia fibrillosa (Dillwyn) Sprengel and Polysiphonia atlantica Kapraun and J.Norris, Polysiphonia brodiaei (Dillwyn) Sprengel, Polysiphonia elongata...