Navicula seminulum

Taxon ID: 189
Author: Grunow    
Basionym:
Synonym:

 

Images

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LM image scalebar = 10 µm = pixels not measured     

 

Observations

Observations:
Length:
Width:
Striae:

Description:

Valves linear-elliptical with broadly rounded ends (L 8-16µm, W 3-4µm, 18-21 striae in 10µm). Axial area narrow, linear. Central area enlarged, almost rectangular, bordered by 1-3 shorter striae. Raphe filiform, usually straight with small central pores and hooked terminal fissures. Transapical striae slightly radiate in the middle, convergent to almost parallel near the apices. In SEM, the striae are clearly biseriate.

Morphology:
Distribution:

Autecology:

 

Notes:

Common in lakes and pool.Widespread in the entire (Sub-)Antarctic Region.

 

 

Other sites with Navicula seminulum

  • Ile de la Possession (moist habitats), Crozet Archipelago

Original Type Description

Author: Grunow
Length: 8-16µm
Width: 3-4µm
Striae: µm, 18-21 striae in 10µm

Original Description:

 

New combination

Author:

 

Citations

Index Nominum Algarum (INA):

  • Original
  • If an INA link is available, it will be shown above
  • The INA is a bibliographic reference "card file" for algal taxonomy, containing nearly 200,000 names of algae (in the broad sense).

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