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Actinocyclus octonarius var. ralfsii
Variety, Diatom
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Actinocyclus octonarius var. sparsus
Variety, Diatom
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Actinocyclus octonarius var. tenellus
Variety, Diatom
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Adlafia minuscula var. muralis
Variety, Diatom
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Amphora coffeiformis var. angularis
Variety, Diatom
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Amphora coffeiformis var. borealis
Variety, Diatom
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Amphora macilenta var. ergadensis
Variety, Diatom
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Amphora ovalis var. libyca
Variety, Diatom
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Amphora veneta var. capitata
Variety, Diatom
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Amylax triacantha var. buxus
Variety, Protozoan, Marine
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Aneumastus stroesei var. lanceolata
Variety, Diatom
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Aneumastus tusculus var. capitata
Variety, Diatom
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Asterionella bleakeleyi var. notata
Variety, Diatom, Marine
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Asterionella formosa var. acaroides
Variety, Diatom
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Asterionella ralfsii var. americana
Variety, Diatom
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Asterionella ralfsii var. hustedtiana
Variety, Diatom
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Aulacoseira distans var. africana
Variety, Diatom
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Aulacoseira distans var. humilis
Variety, Diatom
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Aulacoseira distans var. nivalis
Variety, Diatom
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Aulacoseira distans var. nivaloides
Variety, Diatom