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Oenanthe – Water-Dropwort
Genus, Flowering plant, Freshwater
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Oxyria
Genus, Flowering plant, Freshwater
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Paspalum
Genus, Flowering plant, Freshwater, terrestrial
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Pedicularis
Genus, Flowering plant, Freshwater
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Persicaria – Knotweed
Genus, Flowering plant, Freshwater, terrestrial
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Petasites
Genus, Flowering plant, Freshwater, terrestrial
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Petroselinum
Genus, Flowering plant, Freshwater, terrestrial
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Peucedanum
Genus, Flowering plant, Freshwater, terrestrial
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Phalaris
Genus, Flowering plant, Freshwater, terrestrial
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Pinguicula
Genus, Flowering plant, Freshwater
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Plantago – Plantain
Genus, Flowering plant, Freshwater, terrestrial
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Poa – Meadow-Grass
Genus, Flowering plant, Freshwater, terrestrial
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Polemonium
Genus, Flowering plant, Freshwater
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Polygonum – Knotgrass
Genus, Flowering plant, Freshwater, terrestrial
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Populus – Poplar
Genus, Flowering plant, Freshwater, terrestrial
poibleag, pobhlar, pobhlaran
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Potamogeton – Pondweed
Genus, Flowering plant, Freshwater, terrestrial
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Potentilla – Cinquefoil
Genus, Flowering plant, Freshwater, terrestrial
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Primula – Primrose
Genus, Flowering plant, Freshwater, terrestrial
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Prunus – Cherry
Genus, Flowering plant, Freshwater, terrestrial
Planted Cherry, Flowering Cherry, sirist, siristean
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Pulicaria
Genus, Flowering plant, Freshwater