Fragilaria pulchella

Taxon ID: 157
Author: Ralfs 1844   
Basionym:
Synonym: Synedra pulchella, Synedra familiaris

 

Images

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LM image scalebar = 10 µm = pixels not measured     

 

Observations

Observations: Bart Van de Vijver
Length: 40-125µm
Width: 6-7,5µm
Striae: 14-16 striae in 10µm

Description:

Valves linear, lanceolate to small linear-lanceolate with variable ends: from quite sharp to broadly rounded or even capitate (L 40-125µm, W 6-7,5µm, 14-16 striae in 10µm). Axial area very narrow or even almost absent. Central area very large, ovoid to rectangular, reaching the (sometimes thickened) valve margins. Striae consist of large areolae (in 10µm). Apical porefield and rimoportula present, no marginal spines.

Morphology: Araphid
Distribution:

Autecology:

 

Notes:

Locally abundant in larger lakes, pH-optimum 8,1. Very rare in mosses. Absent in soil samples.South Shetland Islands (Opalinski 1972, Temniskovoa-Topalova et al.1996), Campbell Island (Hickmann & Vitt 1973), Kerguelen (Bourelly & Manguin 1954, Le Cohu & Maillard 1986).

 

 

Other sites with Fragilaria pulchella

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

Original Type Description

Author: Ralfs 1844
Length:
Width:
Striae:

Original Description:

 

New combination

Author: Lange-Bertalot

 

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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