Images
Click any image to enlarge...
LM image scalebar = 10 µm = pixels not measured
Observations
| Observations: | Bart Van de Vijver |
|---|---|
| Length: | 30-90µm |
| Width: | 8-13µm |
| Striae: | 20-25 striae in 10µm |
Description:
Valves isopolar, rather linear with concave margins in the middle part and broadly rounded sometimes cuneate ends (L 30-90µm, W 8-13µm, 20-25 striae in 10µm). No wings present. Pseudoinfundibula 40-53 in 100µm. Striation pattern fairly resolvable in LM.
| Morphology: | Surirelloid |
|---|---|
| Distribution: |
Autecology:
Notes:
Rare in dry, slightly acid soil samples with low nutrient, salinity and specific conductance values. Absent in mosses. Highest abundance was reached in sample BW116, a small, slightly acid pool taken from the Vallée des Branloires.Kerguelen (Bourrelly & Manguin 1954, Larson 1974, Le Cohu & Maillard 1986, Van de Vijver et al. 1998a, 2001), Crozet (Pierre 1977).Manguin identified this taxon as S. angusta var. constricta Hustedt but he adds immediately that it is probably a new form since it can be 'sufficiently differentiated' from both the nominate species as the variety.
Other sites with Surirella angusta var. constricta
- Ile de la Possession (moist habitats), Crozet Archipelago
Original Type Description
| Author: | Hustedt 1954 |
|---|---|
| Length: | |
| Width: | |
| Striae: |
Original Description:
New combination
| Author: |
|---|
Citations
Index Nominum Algarum (INA):
- 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).
