Guide to Nitzschia linearis
Credit: Pat Kociolek
- Length 60-150 µm
- Striae 35-38 in 10 µm
- Central nodule distinct central
Valves are linear to linear-lanceolate, with sides parallel, except the side bearing the keel which is concave in the center. Apices rounded, nearly capitate. A distinct central nodule is present. Striae are resolvable.