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Hypochaeris radicata – Cat's-ear
Species, Flowering plant, Terrestrial
Common Catsear, Clust y Gath, Melynydd, Melynydd Gorwreiddiog, Melynydd Hir Wreiddiog
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Hypopitys monotropa – Yellow Bird's-nest
Species, Flowering plant, Terrestrial
Cytwf, Cyd-Dwf
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Jacobaea aquatica – Marsh Ragwort
Species, Flowering plant, Terrestrial
Carnedd y Gors, Creulys y Gors, Greulys y Gors, Penfelen y Gors
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Jacobaea erucifolia – Hoary Ragwort
Species, Flowering plant, Terrestrial
Greulys Lledlwyd, Penfelen Ledlwyd Culddail, Creulys Lwyd, Creulys Llwyd, Greulys Lledlwyd Culddail, Penfelen Ledlwyd
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Jacobaea paludosa – Fen Ragwort
Species, Flowering plant, Terrestrial
Creulys y Ffos
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Jacobaea vulgaris – Common Ragwort
Species, Flowering plant, Terrestrial
Carnedd Felen Wryw, Greulys, Greulys Felen Wryw, Llysiau'r Gingroen, Creulys Lago, 'Cowmon' Bach Melyn, Troed y Frân, Llysiau'r Ysgyfarnog, Llys Lago, Llys Jacob, Llysiau Lago, Eirin y Ci, Llys y Gingroen, Ragwrt, Penfelen
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Juncus alpinoarticulatus – Alpine Rush
Species, Flowering plant, Freshwater, terrestrial
Brwynen y Mynydd, Brwynen Alpaidd
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Juncus bulbosus – Bulbous Rush
Species, Flowering plant, Freshwater, terrestrial
Brwynen Fwlbaidd, Brwynen Oddfog, Brwyn Goddfog
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Lamiastrum galeobdolon – Yellow Archangel
Species, Flowering plant, Terrestrial
Yellow Dead-Nettle, Eurddanadl Felen, Marddanhadlen Felen, Aurddynadlen, Danal Melyn, Danhadlen Ddail, Eurddanadlen, Eurddynadlen, Dryned Marw Melyn, Llysiau yr Archangel, Marddynadlen Felen
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Lapsana communis – Nipplewort
Species, Flowering plant, Terrestrial
Cartheig Cyffredin, Cartheig
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Leucojum aestivum – Summer Snowflake
Species, Flowering plant, Freshwater, terrestrial
Loddon Lily, Eiryaidd, Eiryaid, Eirïaidd yr Haf
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Medicago sativa – Medick
Species, Flowering plant, Terrestrial
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Myosotis stricta
Species, Flowering plant, Terrestrial
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Narcissus pseudonarcissus – Daffodil
Species, Flowering plant, Terrestrial
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Onobrychis viciifolia – Sainfoin
Species, Flowering plant, Terrestrial
Blodau'r Preseb, Codog, Gwyran Fendigaid, Pen y Ceiliog, Y Godog
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Oxybasis chenopodioides – Small Red Goosefoot
Species, Flowering plant, Terrestrial
Salt-marsh Goosefoot, Saltmarsh Goosefoot, Troed-yr-Ŵydd Arfor, Troed yr Wŷdd Luos-Sypiog
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Oxybasis macrosperma
Species, Flowering plant, Terrestrial
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Oxybasis rubra – Red Goosefoot
Species, Flowering plant, Terrestrial
Troed-yr-Ŵydd Coch, Troed yr Ŵydd Arforol, Troed yr Ŵydd Ruddog, Gŵydd-Droed Ruddog
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Pastinaca sativa – Wild Parsnip
Species, Flowering plant, Terrestrial
Parsnip, Moronen y Moch, Moron Gwynion, Llysiau Gwyddelig, Llysiau Gwynion y Gerddi, Pannas Gwyllt, Panasen Wyllt, Pannas y Moch, Panasen, Panasen Wen, Moronen Wen, Pannas Wyllt, Pannas
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Phragmites australis – Common Reed
Species, Flowering plant, Freshwater, terrestrial
Cecysen, Corsen Gyffredin, Cawnen, Calaf, Corsen Cyrs, Corsen, Corswellt Cyffredin, Cyrs, Corsenau