Navicula accomoda

 

Navicula atomus
var. permitis

 

.......Navicula capitata

 

Navicula capitatoradiata

 

Navicula cincta

 

..........Navicula cohnii

 

Navicula cryptotenella

 

Navicula cuspidata
var. ambigua

 

Navicula lanceolata

 

Navicula menisculus

 

......Navicula minima

 

Navicula veneta

Navicula pupula

 

......Navicula tripunctata

 

Navicula pygmaea

 

Navicula goeppertiana