Eunotia muscicola var. muscicola

Taxon ID: 146
Author: Krasske 1991   
Basionym:
Synonym: Eunotia polydentula

 

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LM image scalebar = 10 µm = pixels not measured     

 

Observations

Observations: Bart Van de Vijver
Length: 10-32µm
Width: 2,5-3,5µm
Striae: 17-21 striae in 10µm

Description:

Valves with weakly concave ventral side and convex dorsal side with 2-5 (8) evenly spaced undulations (L 10-32µm, W 2,5-3,5µm, 17-21 striae in 10µm). Sometimes, the ventral side appears also slightly undulated, especially in larger valves. Apices clearly capitate and broadly rounded. Distal nodules close to the apices. Terminal raphe endings slightly curved, ending before the pole.

Morphology: Eunotioid
Distribution:

Autecology:

 

Notes:

Quite common in wet moss samples (mean F-value 3,5 ± 1,6). Fairly common in soils showing a broad range in pH, moisture and nutrient conditions. Quite common in small acid pools with low specific conductance values. Valves with more than 7 undulations did not present a different ecology.Kerguelen (Bourrelly & Manguin 1954, Larson 1974, Le Cohu & Maillard 1986, Van de Vijver et al. 1998a, 2001), South Georgia (Van de Vijver & Beyens 1996, 1997a), Crozet (Pierre 1977).In several samples, valves with more than 7 dorsal undulations have been found. Since this larger number is the only difference that might separate these populations from the 'typical' E. muscicola var. muscicola, we decided not to create a separate variety. Further research should clarify whether this is correct.

 

 

Other sites with Eunotia muscicola var. muscicola

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

Original Type Description

Author: Krasske 1991
Length:
Width:
Striae:

Original Description:

 

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Citations

Index Nominum Algarum (INA):

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  • 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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