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Closterium porrectum var. angustatum
Variety, Alga, Terrestrial
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Closterium praelongum
Species, Alga, Terrestrial
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Closterium praelongum var. brevius
Variety, Alga, Terrestrial
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Closterium pritchardianum
Species, Alga, Terrestrial
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Closterium pritchardianum var. angustum
Variety, Alga, Terrestrial
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Closterium pronum
Species, Alga, Terrestrial
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Closterium pseudolunula
Species, Alga, Terrestrial
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Closterium pusillum
Species, Alga, Terrestrial
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Closterium pusillum var. laticeps
Variety, Alga, Terrestrial
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Closterium pusillum var. maius
Variety, Alga, Terrestrial
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Closterium pygmaeum
Species, Alga, Terrestrial
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Closterium ralfsii
Species, Alga, Terrestrial
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Closterium ralfsii var. hybridum
Variety, Alga, Terrestrial
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Closterium rostratum
Species, Alga, Terrestrial
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Closterium rostratum var. brevirostratum
Variety, Alga, Terrestrial
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Closterium scoticum
Species, Alga, Terrestrial
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Closterium setaceum
Species, Alga, Terrestrial
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Closterium setaceum var. elongatum
Variety, Alga, Terrestrial
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Closterium sphaerosporum
Species, Alga, Terrestrial
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Closterium strigosum
Species, Alga, Terrestrial