Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Khakista (Diatomista)
Bacillariophyceae
Bacillariophycidae
Bacillariophycanae
Naviculales
Naviculaceae
Navicula

Navicula directa (67761654)

Children (3 direct children, 3 direct and indirect children):

Navicula directa var. remota

Navicula directa var. subtilis

Navicula directa var. cuneata