Nitzschia frustulum var. frustulum

Taxon ID: 203
Author: Kützing    
Basionym:
Synonym:

 

Images

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LM image scalebar = 10 µm = pixels not measured     

 

Observations

Observations: Bart Van de Vijver
Length: 13,3-25,3µm
Width: 2-3µm
Striae: 8-13 fibulae in 10µm

Description:

Valves lanceolate to linear-lanceolate in the longer valves. The middle part is usually weakly concave with cuneately rounded ends (L 13,3-25,3µm, W 2-3µm, 8-13 fibulae in 10µm). Raphe keel with fairly regularly placed fibulae, the two in the middle more spaced than the others. Transapical striae quite visible in LM, 20-24 in 10µm.

Morphology: Nitzschioid
Distribution:

Autecology:

 

Notes:

Only found in a fairly large abundance in one soil sample, taken from some cliffs near the coastline at Vallée des Branloires. The sample was characterized by a high specific conductance value (1200µS/cm), a circumneutral pH (7,0), very low nutrient conditions and a low moisture degree (<20%). Another soil sample (BA105) yielded some more valves. This sample was also taken from some cliffs near the coastline.Widespread in the entire (Sub-)Antarctic Region.

 

 

Other sites with Nitzschia frustulum var. frustulum

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

Original Type Description

Author: Kützing
Length:
Width:
Striae:

Original Description:

 

New combination

Author: Grunow 1988

 

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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