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Callitriche brutia var. brutia
Variety, Flowering plant, Freshwater, terrestrial
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Callitriche brutia var. hamulata
Variety, Flowering plant, Freshwater, terrestrial
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Catabrosa aquatica var. aquatica
Variety, Flowering plant, Freshwater
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Catabrosa aquatica var. uniflora – Whorl-Grass
Variety, Flowering plant, Freshwater
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Ceratophyllum demersum var. apiculatum
Variety, Flowering plant, Freshwater
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Ceratophyllum demersum var. inerme
Variety, Flowering plant, Freshwater
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Chara contraria var. contraria
Variety, Stonewort, Freshwater, terrestrial
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Chara contraria var. hispidula
Variety, Stonewort, Freshwater, terrestrial
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Chara virgata var. annulata
Variety, Stonewort, Freshwater, terrestrial
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Chara vulgaris var. longibracteata
Variety, Stonewort, Freshwater, terrestrial
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Chionoloma tenuirostre var. holtii
Variety, Moss, Freshwater, terrestrial
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Chionoloma tenuirostre var. tenuirostre
Variety, Moss, Freshwater, terrestrial
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Cocconeis placentula var. placentula
Variety, Diatom, Freshwater
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Cosmarium regnellii var. dilatatum
Variety, Alga, Freshwater, terrestrial
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Ficaria verna var. bulbifer
Variety, Flowering plant, Freshwater
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Fissidens bryoides var. bryoides
Variety, Moss, Freshwater
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Fissidens bryoides var. caespitans – Curnow's Pocket-moss
Variety, Moss, Freshwater
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Haplotaenium minutum var. alpinum
Variety, Alga, Freshwater
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Haplotaenium minutum var. elongatum
Variety, Alga, Freshwater
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Haplotaenium minutum var. gracile
Variety, Alga, Freshwater