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- Closterium abruptum
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- Closterium abruptum
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- Cl. acutum var. acutum
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- Cl. baillyanum var. alpinum
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- Closterium lunula
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- Cl. navicula var. navicula
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- Closterium striolatum
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- Closterium striolatum
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- Closterium striolatum
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- Closterium setaceum
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- Closterium setaceum
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- Closterium setaceum
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- Closterium setaceum
