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Achillea maritima
Species, Flowering plant, Terrestrial
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Aconitum lycoctonum – Wolf's-bane
Species, Flowering plant, Terrestrial
Cwcwll-y-Mynach Melyn
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Aethusa cynapium – Fool's Parsley
Species, Flowering plant, Terrestrial
Persli'r Ffwl, Geuberllys, Llyfn-Ddail, Goegberllys, Gauberllys, Persli Gwyllt
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Alchemilla sciura
Species, Flowering plant, Terrestrial
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Allium trifoliatum – Pink Garlic
Species, Flowering plant, Terrestrial
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Anagallis arvensis – Scarlet Pimpernel
Species, Flowering plant, Terrestrial
Awrlais y Dyn Tlawd, Llysiau'r Cryman, Llys y Cryman, Brathlys, Brathlys Gwryw, Gwlydd Mair, Gwlyddyn Mair Gwryw, Coch y Tywydd, Diwythl Fedi, Oriawr y Bugail
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Anthyllis vulneraria – Kidney Vetch
Species, Flowering plant, Terrestrial
Meillionen Felen, Plucen Felen, Plucen, Pupus Melyn, Pys yr Aren
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Armeria maritima – Thrift
Species, Flowering plant, Freshwater, terrestrial
Sea Pink, neòinean a' chladaich, neòineanan a' chladaich, tonn a' chladaich, tuinn a' chladaich, Cenrin Arfor, Clustog Fair, Clustogau Mair, Archmain, Blodyn y Morwr, Clustog Mair
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Artemisia campestris – Field Wormwood
Species, Flowering plant, Terrestrial
Field Mugwort, Breckland Mugwort, Llysiau'r Corff, Brytan, Llys y Corff, Llysiau'r Cyrff, Y Feidiog Ddi-Sawr, Brytwn, Sidwrmot, Siligabwd, Yswthornat, Henwr, Siwdr Mwdr
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Arum italicum – Italian Lords-and-Ladies
Species, Flowering plant, Terrestrial
Large Cuckoo Pint, Italian Lords And Ladies, Pidyn-y-Gog Eidalaidd, Pidyn y Gog Eidalaidd
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Baldellia repens
Species, Flowering plant, Terrestrial
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Beta vulgaris – Beet
Species, Flowering plant, Terrestrial
Betysen, Betys
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Betula pubescens – Downy Birch
Species, Flowering plant, Freshwater, terrestrial
Bedwen Lwyd, Bedwen Gyffredin, Bedw Llwyd, Bedwen Bluaidd
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Bolboschoenus laticarpus
Species, Flowering plant, Freshwater, terrestrial
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Campanula rotundifolia – Harebell
Species, Flowering plant, Terrestrial
Harebell / Bluebell, bròg na cuthaige, brògan na cuthaige, Clychau'r Eos, Clychau y Tylwyth Teg, Cloch yr Eos, Cloch y Bugail, Clychau Babi, Croeso Haf, Clychlys Amryddail, Clychlys Deilgrwn, Clychau Gleision, Clychlys Cyffredin, Clychlys Crwnddail, fuathan-mhuc, fuath-mhuc
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Carex cespitosa
Species, Flowering plant, Terrestrial
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Catapodium rigidum – Fern-grass
Species, Flowering plant, Terrestrial
Fern-grasses, Peisgwellt Caled, Gweunwellt Anhyblyg, Gwenithwellt Caled
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Centaurea debeauxii – Slender Knapweed
Species, Flowering plant, Terrestrial
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Centaurea nigra
Species, Flowering plant, Terrestrial
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Centaurium intermedium
Species, Flowering plant, Terrestrial