Nitzschia oregona

Sovereign 1958      Category: Nitzschioid

Nitzschia minuta


Nitzschia palea

LM scalebar = 10 µm = 80 pixels.


Contributor: Pat Kociolek - February 2011
Length Range: 15-42 µm
Width Range: 3 µm
Striae in 10 µm: 23-25


Valves are linear-lanceolate, with subrostrate to obtuse-capitate apices. The keel is constricted in the middle of the valve, with fibulae numbering 9-12 in 10 µm. There are two enlarged fibulae in the central valve. Striae are finely punctate.

This species has been reported only from Oregon.

Original Description

Author: Sovereign 1958
Length Range: 23-25 µm
Width Range: 3 µm
Striae in 10 µm: 23-25

Original Description

Original Images

Cite This Page:
Kociolek, P. (2011). Nitzschia oregona. In Diatoms of the United States. Retrieved April 26, 2018, from

Species: Nitzschia oregona

Contributor: Pat Kociolek

Reviewer: Rex Lowe


Sovereign, H.E. (1958). The diatoms of Crater Lake, Oregon. Transactions of the American Microscopical Society 77(2):96-134.

Links & ID's

Index Nominum Algarum (INA)

Original INA

California Academy of Sciences (CAS)

Nitzschia oregona CAS

North American Diatom Ecological Database (NADED)


Autecology Discussion