Navicula directa Kingdom Chromista Phylum Bacillariophyta Class Bacillariophyceae Order Naviculales Family Naviculaceae Authority (W.Sm.) Ralfs in A.Pritch. Read more about Navicula directa
Pinnularia directa Kingdom Chromista Phylum Bacillariophyta Class Bacillariophyceae Order Naviculales Family Pinnulariaceae Authority W. Smith Read more about Pinnularia directa