Rivulariaceae

The Rivulariaceae are a family of cyanobacteria within the Nostocales in which the filaments (trichomes) are tapered from wider at the base to narrower at the tip. The type species is Rivularia haematites (Dc) C. A. Agardh. Guiry, M.D.; Guiry, G.M. (2019). 'Rivulariaceae'. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.