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Kindbergia
Genus, Moss, Freshwater, terrestrial
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Knautia
Genus, Flowering plant, Freshwater
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Kurzia
Genus, Liverwort, Freshwater
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Lamium
Genus, Flowering plant, Freshwater, terrestrial
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Lathraea
Genus, Flowering plant, Freshwater, terrestrial
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Lathyrus
Genus, Flowering plant, Freshwater, terrestrial
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Lejeunea
Genus, Liverwort, Freshwater
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Lemna
Genus, Flowering plant, Freshwater
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Leontodon
Genus, Flowering plant, Freshwater
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Leucobryum
Genus, Moss, Freshwater
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Lewinskya
Genus, Moss, Freshwater, terrestrial
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Limosella
Genus, Flowering plant, Freshwater
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Lobelia – Lobelia
Genus, Flowering plant, Freshwater, terrestrial
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Lolium – Rye-Grass
Genus, Flowering plant, Freshwater, terrestrial
Ryegrass, Rye Grass
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Lophocolea
Genus, Liverwort, Freshwater
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Ludwigia
Genus, Flowering plant, Freshwater
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Lupinus
Genus, Flowering plant, Freshwater, terrestrial
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Luzula – Wood-Rush
Genus, Flowering plant, Freshwater, terrestrial
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Lycopodiella
Genus, Clubmoss, Freshwater
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Lysichiton
Genus, Flowering plant, Freshwater, terrestrial