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Anthriscus
Genus, Flowering plant, Terrestrial
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Anthyllis
Genus, Flowering plant, Terrestrial
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Antirrhinum
Genus, Flowering plant, Terrestrial
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Apera
Genus, Flowering plant, Terrestrial
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Aptenia
Genus, Flowering plant, Terrestrial
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Aquilegia – Columbine
Genus, Flowering plant, Freshwater, terrestrial
lus a' chalmain, lusan a' chalmain
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Arabis
Genus, Flowering plant, Terrestrial
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Aralia
Genus, Flowering plant, Terrestrial
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Arctium – Burdock
Genus, Flowering plant, Freshwater, terrestrial
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Aremonia
Genus, Flowering plant, Terrestrial
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Arenaria – Sandwort
Genus, Flowering plant, Terrestrial
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Arisarum
Genus, Flowering plant, Terrestrial
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Aristea
Genus, Flowering plant, Terrestrial
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Aristolochia
Genus, Flowering plant, Terrestrial
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Armeria – Thrift
Genus, Flowering plant, Freshwater, terrestrial
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Armoracia
Genus, Flowering plant, Freshwater, terrestrial
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Arnoseris
Genus, Flowering plant, Terrestrial
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Aronia – Chokeberry
Genus, Flowering plant, Terrestrial
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Artemisia
Genus, Flowering plant, Freshwater, terrestrial
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Arum – Arum
Genus, Flowering plant, Terrestrial