Tombergven Closterium

Closterium abruptum

Closterium abruptum

Closterium abruptum

Closterium abruptum

Cl. acutum var. acutum

Closterium aciculare

Closterium incurvum

Closterium incurvum

Closterium incurvum

Cl. limneticum var. limneticum

Closterium striolatum

Closterium striolatum

Closterium striolatum

Closterium venus