Tabellaria flocculosa has a hyaline central area, marginal spines, closed girdle bands and rudimentary septa. In addition, T. flocculosa has less capitate apices than T. fenestrata. Tabellaria flocculosa var. linearis is similar to T. fenestrata in that they both lack a hyaline central area. Unlike T. fenestrata, however, T. flocculosa var. linearis has marginal spines and closed girdle bands.

LM scalebar = 10 µm
Length Range
39.0-83.0 µm
Width Range
2.1-6.9 µm
Striae in 10 µm
14-19
Kan 5 1  Cropped
Tabellaria fenestrata LM1
Kan 1  Cropped
Kan  Girdle  Cropped
Kan 4  Cropped
Kan 3  Cropped
Kan 2  Cropped
Kan 5 1  Cropped Tabellaria fenestrata LM1 Kan 1  Cropped Kan  Girdle  Cropped Kan 4  Cropped Kan 3  Cropped Kan 2  Cropped

Tabellaria flocculosa

(Roth) Kütz. 1844

Length Range
11.2-82.7 µm
Width Range
3.2-8.8 µm
Striae in 10 µm
13-19
Tabellaria flocculosa LM7 Tabellaria flocculosa LM2 Tabellaria flocculosa LM5 Tabellaria flocculosa LM4 Kan2  Strain Iv  Girdle  Cropped Kan2  Strain Iv  Cropped Tabellaria flocculosa LM6

Also compare to

Tabellaria flocculosa var. linearis

J.D.Koppen