|
Fragilaria sp. (cell length 12-18 µm; width 3-5 µm ) |
|
Fragilaria sp. |
|
Fragilaria sp. (Girdle view)
|
|
Fragilaria
sp.
(Girdle view)
|
|
Fragilaria crotenensis (cell length 65-120 µ m; width 2-4 µ m) |