Psammothidium germainii

Taxon ID: 246
Author: Manguin    
Basionym:
Synonym: Achnanthes germainii

 

Images

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LM image scalebar = 10 µm = pixels not measured     

 

Observations

Observations: Bart Van de Vijver
Length: 16-19µm
Width: 6-8,5 µm
Striae: 16-18 striae in 10µm

Description:

Valves elliptical with more or less rounded rostrate ends, L 16-19µm W 6-8,5 µm, transapical striae 16-18 in 10µm in the median part, 25 in 10µm towards the ends. Raphe valve: raphe filiform, axial area lanceolate, central area hemicircular, bordered at one side by 2-4 spaced unilateral striae, open at the other side. ARV: longitudinal linear area. Central area hemicircular, bordered at one side by 4-6 less spaced striae.

Morphology: Monoraphid
Distribution:

Autecology:

 

Notes:

Fairly common on bare, dry oligotrophic and slightly acid soils. Only a few records (very low abundances) exist from open waterbodies and mosses (mean F-value 3,9±1,2).Widespread in the entire (Sub-)Antarctic Region.

 

 

Other sites with Psammothidium germainii

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

Original Type Description

Author: Manguin
Length:
Width:
Striae:

Original Description:

 

New combination

Author: Sabbe 1954

 

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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