How to Know the Freshwater Algae

adjoined akinetes apex apical attached autospores Batrachospermum branched filaments broadly cell wall Cells arranged Cells oval Cells shaped Cells spherical central chloro Chlorophyta chloroplast Chrysophyta clusters coenocytic colonial mucilage color colorless dense desmids diameter differentiated dinoflagellate disclike elliptic elongate enclosed end view epiphytic euplankton eye-spot Family filamentous algae flagella flagellum free-floating fresh-water Frustules fusiform G. M. Smith gelatinous gelatinous sheath gelatinous strands genera genus girdle view green habit habitats heterocysts intercalary irregularly Kuetz lamellate lobes longitudinal lorica margin microscope midregion motile mucilage mucilaginous numerous occur old mother-cell walls oogonium parietal parietal chloroplast parietal plate Pascher pigments plankton plasts poles Presc prostrate protoplast pseudoraphe puncta pyrenoid pyriform radiating raphe rarely rectangular Redrawn reported reproduction round semicell septa setae short side sometimes species illustrated spines spores stalk starch striae substrates tapering thallus transverse Trichomes tufts tychoplankton unicellular United usually valve view view showing wide zoospores zygospores