• Category
  • Length Range
    8-20 µm
  • Width Range
    3-4 µm
  • Striae in 10 µm
    22-27

Identification

Description

Valves are linear to linear-lanceolate, with parallel margins. The distal valve tapers abruptly to form slightly protracted to rounded apices. Fibulae are distinct, numbering 11-13 in 10 µm. Striae are parallel and finely punctate.

Original Description

  • Basionym
    Nitzschia frustulum var. perminuta
  • Author
    Grunow in Van Heurck 1881

Cite This Page

Kociolek, P. (2011). Nitzschia perminuta. In Diatoms of North America. Retrieved February 18, 2025, from https://diatoms.org/species/46776/nitzschia_perminuta