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| Cymraeg | Lladin | Saesneg |
| Milldail | Achillea millefolium | Yarrow |
| Mwsglys | Adoxa moschatellina | Town Hall Clock |
| Llys y Dryw Peraroglus | Agrimonia procera | Fragrant Agrimony |
| Glesyn y Coed | Ajuga reptans | Bugle |
| Garlleg y Berth | Alliaria petiolata | Garlic Mustard |
| Llys y Cryman | Anagallis arvensis | Scarlet Pimpernel |
| Gwlyddyn Mair y Gors | Anagallis tenella | Bog Pimpernel |
| Blodyn y Gwynt | Anemone nemorosa | Wood Anemone |
| Llys yr Angel | Angelica sylvestris | Wild Angelica |
| Camri Arfor | Anthemis punctata ssp cupaniana | Sicilian Chamomile |
| Perwellt y Gwanwyn | Anthoxanthum odoratum | Sweet Vernal-grass |
| Gorthyfail Cyffredin | Anthriscus caucalis | Bur Chervil |
| Plucen Felen | Anthyllis vulneraria | Kidney Vetch |
| Berwr y Cerrig | Arabis petraea | Northern Rock cress |
| Mefusbren | Arbutus unedo | Strawberry Tree |
| Cyngaf Bychan | Arctium minus | Lesser Burdock |
| Tywodwllydd Gruwddail | Arenaria serpyllifolia | Thyme-leaved Sandwort |
| Wermod Lwyd | Artemesia absinthium | Wormwood |
| Beidiog Lwyd | Artemesia vulgaris | Mugwort |
| Pidyn y Gog | Arum maculatum | Lords and Ladies |
| Duegredynen Reiniolaidd | Asplenium obovatum | Lanceolate Spleenwort |
| Duegredynen Fforchog | Asplenium septentrionale | Forked Spleenwort |
| Duegredynen Gwalt y Forwyn | Asplenium trichomanes | Maidenhair Spleenwort |
| Duegredynen Werdd | Asplenium viride | Green Spleenwort |
| Gold y Môr | Aster linocyris | Goldilocks Aster |
| Seren y Morfa | Aster tripolium | Sea Aster |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Betys Gwyllt | Beta vulgaris ssp maritima | Sea Beet |
| Eurdrain | Berberis vulgaris | Barberry |
| Gwibredynen | Blechnum spicant | Hard-fern |
| Bresych Gwyllt | Brassica oleracea | Cabbage |
| Erfinen Wyllt | Brassica rapa | Turnip |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Grug | Calluna vulgaris | Heather |
| Clychlys Danadl | Campanula trachelium | Nettle-leaved Bellflower |
| Ysgallen Ogwydd | Carduus nutans | Nodding or Musk Thistle |
| Hesgen Felen | Carex viridula ssp oedicarpa | Yellow Sedge |
| Ysgallen Siarl | Carlina vulgaris | Carline Thistle |
| Pengaled | Centaurea nigra | Common Knapweed |
| Canri Goch | Centaurium erythraea | Common Centaury |
| Canri Goch Arfor | Centaurium littorale | Seaside Centaury |
| Clust Llygoden Bach | Cerastium semidecandrum | Little Mouse-ear |
| Meyn yr Ŷd | Chrysanthemum segetum | Corn marigold |
| Eglyn Cyferbynnddail | Chrysosplenium oppositifolium | Opposite-leaved Golden-saxifrage |
| Marchysgallen | Cirsium vulgare | Spear Thistle |
| Barf yr Hen Ŵr | Clematis vitalba | Traveller's Joy |
| Erbin Cyffredin | Clinopodium ascendens | Common Calamint |
| Collen | Corylus avellana | Hazel |
| Cotoneaster y Gogarth | Cotoneaster cambricus | Wild Cotoneaster |
| Ysgedd | Crambe maritima | Sea Kale |
| Gwalchlys Gylfinhir | Crepis vesicaria | Beaked Hawk's-beard |
| Rhedynen Bersli | Cryptogramma crispa | Parsley Fern |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Tegeirian Rhuddgoch | Dactylorhiza incarnata | Early Marsh Orchid |
| Tegeirian Brych | Dactylorhiza maculata | Heath Spotted Orchid |
| Tegeirian y Fign | Dactylorhiza purpurella | Northern Marsh-orchid |
| Moronen y Maes | Daucus carota | Wild Carrot |
| Penigan Gwyryfaidd | Dianthus deltoides | Maiden Pink |
| Cnwpfwsogl Alpaidd | Diphasiastrum alpinum | Alpine Clubmoss |
| Gwlithlys | Drosera rotundifolia | Round-leaved Sundew |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Caldrist Gwefus-gul | Epipactis leptochila var dunensis | Narrow-lipped Helleborine |
| Caldrist y Gors | Epipactis palustris | Marsh Helleborine |
| Clychau'r Grug | Erica cinerea | Bell Heather |
| Grug Deilgroes | Erica tetralix | Cross-leaved Heath |
| Cedowydd Glass | Erigeron acer | Blue Fleabane |
| Plu'r Gweunydd Unben | Eriophorum vaginatum | Hare's-tail Cotton-grass |
| Pig y Crëyr | Erodium moschatum | Musk Storks-bill |
| Celyn y Môr | Eryngium maritimum | Sea Holly |
| Blodyn y Fagwyr | Erysimum chierii | Wallflower |
| Llaethlys y Môr | Euphorbia paralias | Sea Spurge |
| Llaethlys Portland | Euphorbia portlandica | Portland Spurge |
| Effros sp | Euphrasia sp | Eyebright |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Gwenith yr Hydd | Fagopyrum esculentum | Buckwheat |
| Peisgwellt Eginol | Festuca vivipara | Viviparous Sheep's-fescue |
| Erwain | Filipendula ulmaria | Meadowsweet |
| Crogedyf | Filipendula vulgaris | Dropwort |
| Grugeilyn Llyfn | Frankenia laevis | Sea Heath |
| Mwg y Ddaear Amrywiol | Fumaria muralis ssp boraei | Common Ramping-fumitory |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Eirlys | Galanthus nivalis | Snowdrop |
| Briwydden Felen | Galium verum | Lady's Bedstraw |
| Crwynllys Chwerw | Gentianella amarella | Autumn Gentian |
| Gweddw Galarus | Geranium phaeum | Dusky Crane's-bill |
| Llys y Llwynog | Geranium robertianum | Herb-Robert |
| Geranium sanguineum | Bloody Crane's-bill | |
| Pabi'r Môr | Glaucium flavum | Yellow horned poppy |
| Eidral | Glechoma hederacea | Ground-ivy |
| Llawedynen y Derw | Gymnocarpium dryopteris | Oak Fern |
| Llawedynen y Calchfaen | Gymnocarpium robertianum | Limestone Fern |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Hebe'r Gwrych | Hebe x franciscana | Hedge Veronica |
| Cor-rosyn Cyffredin | Helianthemum nummularium | Common Rock-rose |
| Cor-rosyn Lledlwyd | Helianthemum oelandicum ssp incanum | Hoary Rock-rose |
| Palf yr Arth Ddrewedig | Helleborus foetidus | Stinking Hellebore |
| Pelydr Gwyrdd | Helleborus viridis ssp occidentalis | Green Hellebore |
| Rhafnwydd y Môr | Hippophae rhamnoides | Sea Buckthorn |
| Maswellt | Holcus lanatus | Yorkshire Fog |
| Cnwpfwsogl Mawr | Huperzia selago | Fir Clubmoss |
| Clychau'r Gog | Hyancinthoides non scripta | Bluebell |
| Ffa'r Moch | Hyocyamus niger | Henbane |
| Eurinllys Tlws | Hypericum pulchrum | Slender St John's-wort |
| Melynydd Brych | Hypochaeris maculata | Spotted Cat's ear |
| Melynydd | Hypochaeris radicata | Common Cat's ear |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Gwair Merllyn | Isoetes lacustris | Quillwort |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Gwylaeth Las | Lactuca tartarica | Blue Lettuce |
| Cartheig y Coed | Lapsana communis ssp communis | Nipplewort |
| Cartheig y Calch | Lapsana communis ssp intermedia | Nipplewort (introduced perennial) |
| Pysen y Coed Gnapwreiddiog | Lathryus linifolius | Bitter Vetch |
| Hocyswydden | Lavatera arborea | Tree Mallow |
| Lafant Prydeinig | Limonium britannicum ssp britannicum | Rock Sea Lavender |
| Llin y Llyffant | Linaria vulgaris | Common Toadflax |
| Ceineirian | Listera ovata | Common Twayblade |
| Lili'r Wyddfa | Lloydia serotina | Snowdon Lily |
| Bidoglys y Dŵr | Lobelia dortmanna | Water Lobelia |
| Pysen y Ceirw | Lotus corniculatus | Bird's-foot trefoil |
| Coedfrwyen y Maes | Luzula campestris | Field Woodrush or Good Friday grass |
| Gwlydd Melyn Mair | Lysimachia nemorum | Yellow Pimpernel |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Llwyn Oregon | Mahonia aquifolium | Oregon-grape |
| Hocysen Gyffredin | Malva sylvestris | Common Mallow |
| Llwyd y Cŵn | Marrubium vulgare | White Horehound |
| Maglys Awrywedd | Medicago arabica | Spotted Medick |
| Maglys Rhuddlas | Medicago sativa | Lucerne |
| Meligwellt | Melica uniflora | Wood Melick |
| Mintys y Dŵr | Mentha aquatica | Water-mint |
| Bresych y Cŵn | Mercurialis perennis | Dog's Mercury |
| Eiddil-welltyn Cynnar | Mibora minima | Early Sand-grass |
| Tywodlys Gwanwyn | Minuartia verna | Spring Sandwort |
| Ysgorpionllys Cynnar | Myosotis ramosissima | Early Forget-me-not |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Cenhinen Bedr | Narcissus pseudonarcissus | Daffodil |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Gorudd | Odontities vernus | Red Bartsia |
| Melyn yr Hwyr | Oenothera biennis | Common Evening-primrose |
| Tafod y Neidr | Ophioglossum vulgatum | Adder's-tongue |
| Penrhudd | Origanum vulgare | Wild Marjoram |
| Suran y Coed | Oxalis acetosella | Wood-sorrel |
| Suran Ruddgoch | Oxalis articulata | Pink-sorrel |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Brial y Gors | Parnassia palustris | Grass of Parnassus |
| Melog y Cŵn | Pedicularis sylvatica | Lousewort |
| Llys y Gwrid | Pentaglottis sempervirens | Green Alkanet |
| Alan Bach | Petasites albus | White Butterbur |
| Alan Mis Bach | Petasites fragrans | Winter Heliotrope |
| Rhedynen y Craig | Phegopteris connectilis | Beech Fern |
| Tafod yr Hydd | Phyllitis scolopendrium | Hart's-tongue Fern |
| Tafod yr Llew | Picris echioides | Bristly Oxtongue |
| Llwynhidydd | Plantago lanceolata | Ribwort Plantain |
| Llysiau Crist | Polygala vulgaris | Common Milkwort |
| Llawredynen y Fagwyr | Polypodium vulgare | Polypody |
| Dail Arian | Potentilla anserina | Silverweed |
| Tresgl y Moch | Potentilla erecta | Tormentil |
| Briallu Tal Ffug | Primula x polyantha | False Oxlip |
| Draenen Ddu | Prunus spinosa | Blackthorn |
| Cedowydd | Pulica dysinterica | Common Fleabane |
| Llys yr Ysgyfaint | Pulmonaria officinalis | Lungwort |
| Coedwyrdd Crynddail | Pyrola rotundifolia | Round Leaved Wintergreen |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Gorhilig | Radiola linoides | Allseed |
| Chwys Mair | Ranunculus bulbosus | Bulbous Buttercup |
| Llygad Ebrill | Ranunculus ficaria | Lesser Celandine |
| Rhuddygl Glan y Môr | Raphanus raphanistrum ssp maritimus | Sea Radish |
| Rhafnwydden Fythwyrdd | Rhamnus alaternus | Mediterranean Buckthorn |
| Cribell Felen | Rhinanthus minor | Yellow-rattle |
| Rhosyn Japan | Rosa rugosa | Japanese Rose |
| Mwyaren Fair | Rubus caesius | Dewberry |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Llyrlys | Salicornia europaea | Glasswort |
| Helygen Gochlas | Salix purpurea | Purple Willow |
| Corhelygen | Salix repens | Creeping Willow |
| Tormaen Siobynnog | Saxifraga cespitosa | Tufted Saxifrage |
| Tormaen Gwyn y Gweunydd | Saxifraga granulata | Meadow Saxifrage |
| Tormaen Llydandroed | Saxifraga hypnoides | Mossy Saxifrage |
| Tormaen yr Eira | Saxifraga nivalis | Alpine Saxifrage |
| Tormaen Cyferbynddail | Saxifraga oppositifolia | Purple Saxifrage |
| Tormaen Serennog | Saxifraga stellaris | Starry Saxifrage |
| Tormaen Tribys | Saxifraga tridactylites | Rue-leaved Saxifrage |
| Clafrllys Bychan | Scabiosa colombaria | Small Scabious |
| Seren y Gwanwyn | Scilla verna | Spring Squill |
| Creulys Culddail?? | Senecio inaequidens | Narrow-leaved Ragwort |
| Creulys Rhydychen | Senecio squalidus | Oxford Ragwort |
| Mandon Las Yr Ŷd | Sherardia arvensis | Field Madder |
| Gludlys Mysoglyd | Silene acaulis | Moss Campion |
| Gludlys Coch | Silene dioica | Red Campion |
| Gludlys Gogwyddol | Silene nutans | Nottingham Catchfly |
| Dulys | Smyrnium olusatrum | Alexanders |
| Eurwialen | Solidago virgaurea | Goldenrod |
| Cordwellt | Spartina anglica | Common Cord-grass |
| Caeneirian Troellog | Spiranthes spiralis | Autumn Lady's Tresses |
| Briwlys Calchfaen | Stachys alpina | Limestone Woundwort |
| Serenllys Mawr | Stellaria holostea | Greater Stitchwort |
| Mynawydlys Dyfdrig | Subularia aquatica | Awlwort |
| Tamaid y Cythraul | Succisa pratensis | Devil's-bit Scabious |
| Cyfatrdwf Oddfynog | Symphytum tuberosum | Tuberous Comfrey |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Wermod Wen | Tanacetum parthenium | Feverfew |
| Berwr Coesnoeth | Teesdalia nudicaulis | Shepherd's Cress |
| Chweinllys Arfor | Tephroseris integrifolia ssp maritima | Field Fleawort |
| Troed-y-cyw Syth | Torilis japonica | Upright Hedge-parsley |
| Abraham-Isaac-Jacob | Trachystemon orientalis | Abraham-Isaac-Jacob |
| Rhedynen Wrychog | Trichomanes speciosum | Killarney Fern |
| Clwbfrwynen y Mawn | Tricophorum cespitosum ssp germanicum | Deergrass |
| Meillionen Gedenog | Trifolium arvense | Hare's-foot Clover |
| Ffenigl Arfor | Tripleurospermum maritimum | Sea Mayweed |
| Cor-rosyn Rhuddfannog | Tuberaria guttata | Spotted Rock Rose |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Eithin y Mynydd | Ulex gallii | Western Gorse |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Briw'r March | Verbena_officinalis | Vervain |
| Rhwyddlwyn y Mur | Veronica arvensis | Wall Speedwell |
| Llygad Doli | Veronica chamaedrys | Germander Speedwell |
| Rhwyddlwyn Meddygol | Veronica officinalis | Heath Speedwell |
| Rhwyddlwyn Pigog | Veronica spicata | Spiked Speedwell |
| Ffugbysen y Gwanwen | Vicia lathyroides | Spring Vetch |
| Ffugbysen Guiddail Ruddog | Vicia sativa | Common vetch |
| Ffugbysen Y Cloddiau | Vicia sepium | Bush vetch |
| Perfagl Mwyaf | Vinca major | Greater Periwinkle |
| Fioled y Cŵn | Viola canina ssp canina | Heath Dog-violet |
| Fioled Bêr | Viola odorata | Sweet Violet |
| Fioled y Gors | Viola palustris | Marsh Violet |
| Gwiolydd y Goedwig | Viola reichenbachiana | Early Dog-violet |
| Gwiolydd Gyffredin | Viola riviniana | Common Dog-violet |
| Trilliw y Tywyn | Viola tricolor ssp curtisii | Dune Pansy |
| Uchedlwydd | Viscum album | Mistletoe |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
| Coredynen Hirgul | Woodsia ilvensis | Oblong Woodsia |
| Nôl i dop y tudalen | ||
| Cymraeg | Lladin | Saesneg |
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| Cymraeg | Lladin | Saesneg |
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| Cymraeg | Lladin | Saesneg |
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