In this article we will discuss about the classification of ulotrichales. Family Ulotrichaceae: Plants are filamentous: Filaments are with or without an attaching base; typically unbranched, composed of cylindrical uniseriate cells with thin to gelatinous walls. Cells possess lateral plate-like or band-like chromatophores with or without pyrenoids. Asexual reproduction is by bi- and quadriflagellate zoospores, […]