Observations
Observations: | Bart Van de Vijver |
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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 |
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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 |
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Length: | |
Width: | |
Striae: |
Original Description:
New combination
Author: | Lange-Bertalot |
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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).