Nitzschia oregona
Sovereign 1958 Category: Nitzschioid
BASIONYM: Nitzschia oregona Sovereign 1958
LM scalebar = 10 µm = 80 pixels.
Observations
Contributor: Pat Kociolek - February 2011
Length Range: 15-42 µm
Width Range: 3 µm
Striae in 10 µm: 23-25
Description
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
Basionym: Nitzschia oregona
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 June 18, 2013, from http://westerndiatoms.colorado.edu/taxa/species/nitzschia_oregona
Species: Nitzschia oregona
Contributor: Pat Kociolek
Reviewer: Rex Lowe
Image Credit: Pat Kociolek
- Valves linear-lanceolate
- Apices subrostrate to obtuse-capitate
- Fibulae 9-12 in 10 µm
- Striae finely punctate
Valves are linear-lanceolate, with subrostrate to obtuse-capitate apices. There are two enlarged fibulae in the central valve. Striae are finely punctate.
Compare
The striae of N. oregona are more coarsely punctate than those of N. romana. Nitzschia oregona is more slender and linear than N. perminuta.
Nitzschia perminuta
Nitzschia romana
Grunow
Citations
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)
California Academy of Sciences (CAS)
North American Diatom Ecological Database (NADED)
NADED ID: