Planhigion a welwyd yng Nghymru
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Abraham-Isaac-Jacob | Trachystemon orientalis | Abraham-Isaac-Jacob |
| Alan Bach | Petasites albus | White Butterbur |
| Alan Mis Bach | Petasites fragrans | Winter Heliotrope |
| Amlaethai'r Waun | Polygala serpyllifolia | Heath Milkwort |
| Amrhydlwyd glas | Erigeron acris | Blue Fleabane |
| Arianllys Bach | Thalictrum minus | Lesser Meadow-rue |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Bachgen Llwm | Leycesteria formosa | Himalayan Honeysuckle |
| Balchder Llundain | Saxifraga x urbium | Londonpride |
| Banhadlen Sbaen | Spartium junceum | Spanish Broom |
| Barf yr Hen Ŵr | Clematis vitalba | Traveller's Joy |
| Berwr Coesnoeth | Teesdalia nudicaulis | Shepherd's Cress |
| Berwr y cerrig y Gogledd | Arabidopsis petraea | Northern Rock cress |
| Berwr y Dŵr | Rorippa nasturtium-aquaticum | Water-cress |
| Beryn y Craig | Hornungia petraea | Hutchinsia |
| Betys Arfor | Beta vulgaris ssp maritima | Sea Beet |
| Bidoglys y Dŵr | Lobelia dortmanna | Water Lobelia |
| Blodyn y Cledddyf Dwyreiniol | Gladiolus communis ssp byzantinus | Eastern Gladiolus |
| Blodyn y Fagwyr | Erysimum chierii | Wallflower |
| Blodyn y Gwynt | Anemone nemorosa | Wood Anemone |
| Blodyn-ymenyn Blewog | Ranunculus sardous | Hairy Buttercup |
| Brenhinllys gwyllt | Clinopodium vulgare | Wild Basil |
| Breichwellt y Coed | Brachypodium sylvaticum | False Brome |
| Bresych Gwyllt | Brassica oleracea | Cabbage |
| Bresych y Cŵn | Mercurialis perennis | Dog's Mercury |
| Briallu Tal Ffug | Primula x polyantha | False Oxlip |
| Brial y Gors | Parnassia palustris | Grass of Parnassus |
| Brigwellt Main | Deschampsia flexuosa | Wavy Hair-grass |
| Brigwellt Garw | Deschampsia cespitosa | Tufted Hair-grass |
| Brigwellt y Gwanwyn | Aira praecox | Early Hair-grass |
| Briweg dewddail | Sedum dasyphyllum | Thick-leaved Stonecrop |
| Briweg Wen | Sedum album | White Stonecrop |
| Briweg y Cerrig | Sedum anglicum | English Stonecrop |
| Briw'r March | Verbena officinalis | Vervain |
| Briwydden Bêr | Galium odoratum | Woodruff |
| Briwydden Felen | Galium verum | Lady's Bedstraw |
| Briwlys Calchfaen | Stachys alpina | Limestone Woundwort |
| Brwynddail y mynydd | Gagea serotina | Snowdon Lily |
| Brwynen Babwyr | Juncus effusus | Soft-rush |
| Brwynen Droellgorun | Juncus squarrosus | Heath Rush |
| Brwynen Flaendon | Juncus subnodulosus | Blunt-flowered Rush |
| Brwynen Flodeuog | Butomus umbellatus | Flowering Rush |
| Brwynen Gerard | Juncus gerardii | Saltmarsh Rush |
| Brwynen Lem | Juncus acutus | Sharp Rush |
| Bwrned | Sanguisorba minor ssp minor | Salad Burnet |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Caeneirian | Neottia ovata | Common Twayblade |
| Caeneirian Troellog | Spiranthes spiralis | Autumn Lady's Tresses |
| Caldrist Gwefus-gul | Epipactis dunensis | Dune Helleborine |
| Caldrist y Gors | Epipactis palustris | Marsh Helleborine |
| Camri Arfor | Anthemis punctata ssp cupaniana | Sicilian Chamomile |
| Canri Goch | Centaurium erythraea | Common Centaury |
| Canri Goch Arfor | Centaurium littorale | Seaside Centaury |
| Carpiog y gors | Silene flos-cuculi | Ragged Robin |
| Cartheig y Calch | Lapsana communis ssp intermedia | Nipplewort (introduced perennial) |
| Cartheig y Coed | Lapsana communis ssp communis | Nipplewort |
| Cawnen Ddu | Nardus stricta | Mat-grass |
| Cedowydd | Pulica dysinterica | Common Fleabane |
| Cedowydd Glass | Erigeron acer | Blue Fleabane |
| Cegiden y Dŵr | Oenanthe crocata | Hemlock Water-dropwort |
| Ceirchwellt Melyn | Trisetum flavescens | Yellow Oat-grass |
| Ceirchwellt blewog | Avenula pubescens | Downy Oat-grass |
| Ceirchwellt y ddôl | Avenula pratensis | Meadow Oat-grass |
| Ceineirian | Listera ovata | Common Twayblade |
| Celyn y Môr | Eryngium maritimum | Sea Holly |
| Cenhinen Bedr | Narcissus pseudonarcissus | Daffodil |
| Cenhinen Wyllt | Allium ampeloprasum var babingtonii | Wild Leek |
| Cerddinen y Graig | Sorbus rupicola | Rock Whitebeam |
| Cerddinen ffrwythau saffrwm | Sorbus croceocarpa | Orange-fruited Whitebeam |
| Cerddinen Sweden | Sorbus intermedia | Swedish Whitebeam |
| Chweinllys Arfor | Tephroseris integrifolia ssp maritima | Field Fleawort |
| Chwys Mair | Ranunculus bulbosus | Bulbous Buttercup |
| Clafrllys Bychan | Scabiosa colombaria | Small Scabious |
| Clary Gwyllt | Salvia verbenaca | Wild Clary |
| Clust-y-Llygoden Fach | Cerastium semidecandrum | Little Mouse-ear |
| Clust-y-Llygoden y Felin | Cerastium tomentosum | Snow-in-summer |
| Clust yr Arth | Sanicula europaea | Sanicle |
| Clust yr Oen | Stachys byzantina | Lamb's-ear |
| Clwbfrwynen y Mawn | Trichophorum germanicum | Deergrass |
| Clwbfrwynen Wrychog | Isolepsis setacea | Bristle Club-rush |
| Clychau'r Gog Croesryw | Hyancinthoides x massartiana | Hybrid Bluebell |
| Clychau'r Gog | Hyancinthoides non scripta | Bluebell |
| Clychau'r Grug | Erica cinerea | Bell Heather |
| Clychlys Danadl | Campanula trachelium | Nettle-leaved Bellflower |
| Clychlys Dail Eiddew | Wahlenbergia hederacea | Ivy-leaved Bellflower |
| Clychlys Mawr | Campanula latifolia | Giant Bellflower |
| Clychlys Ymlusgol | Campanula poscharskyana | Trailing Bellflower |
| Clymwellt | Leymus areanarius | Lyme-grass |
| Cnwpfwsogl Alpaidd | Diphasiastrum alpinum | Alpine Clubmoss |
| Cnwpfwsogl Mawr | Huperzia selago | Fir Clubmoss |
| Cochwraidd gwylt | Rubia peregrina | Wild Madder |
| Coeden afalau porffor | Malus sylvestris | Crapb Apple |
| Coeden Ellyg | Pyrus communis | Pear |
| Coedfrwyen y Maes | Luzula campestris | Field Woodrush or Good Friday grass |
| Coedwyrdd Crynddail | Pyrola rotundifolia | Round Leaved Wintergreen |
| Collen | Corylus avellana | Hazel |
| Cordwellt | Spartina anglica | Common Cord-grass |
| Coredynen Hirgul | Woodsia ilvensis | Oblong Woodsia |
| Corhelygen | Salix repens var argentea | Creeping Willow |
| Cor-rosyn Cyffredin | Helianthemum nummularium | Common Rock-rose |
| Cor-rosyn Lledlwyd | Helianthemum oelandicum ssp incanum | Hoary Rock-rose |
| Corsfrwynen ddu | Scoenus nigricans | Black Bog-rush |
| Corsfrwynen lem | Cladium mariscus | Great Fen-sedge |
| Cor-rosyn Rhuddfannog | Tuberaria guttata | Spotted Rock Rose |
| Corwlyddyn Mynawydiadd | Sagina subulata | Heath Paerlwort |
| Cotoneaster y Gogarth | Cotoneaster cambricus | Wild Cotoneaster |
| Cotoneaster Simons | Cotoneaster simonsii | Himalayan Cotoneaster |
| Cotoneaster Stern | Cotoneaster sternianus | Stern's Cotoneaster |
| Cotoneaster Manddail | Cotoneaster Microphyllus | Small-leaved Cotoneaster |
| Cracheithinen | Genista anglica | Petty Whin |
| Crafanc-y-Frân Dail Eiddew | Ranunculus hederaceus | Ivy-leaved Crowfoot |
| Crafanc-y-Frân y Rhostir | Ranunculus omiophyllus | Round-leaved Crowfoot |
| Creulys Ariannaid | Senecio cineraria | Silver Ragwort |
| Creulys Gulddail | Senecio inaequidens | Narrow-leaved Ragwort |
| Creulys Lydanddail | Senecio fluviatilis | Broad-leaved Ragwort |
| Creulys Rhydychen | Senecio squalidus | Oxford Ragwort |
| Creulys y Gors | Senecio aquaticus | Marsh Ragwort |
| Creulys y Rhos | Senecio sylvaticus | Heath Groundsel |
| Cribau'r-pannwr bach | Dipsacus pilosus | Small Teasel |
| Cribau'r-pannwr gwyllt | Dipsacus fullonum | Teasel |
| Cribell Felen | Rhinanthus minor | Yellow-rattle |
| Crib-y-ceiliog | Crocosmia x crocsmiiflora | Montbretia |
| Crib-y-ceiliog Potts | Crocosmia pottsii | Potts' Montbretia |
| Croes yr hwyr | Hesperis matronalis | Dame's-violet |
| Crogedyf | Filipendula vulgaris | Dropwort |
| Crwynllys yr hydref | Gentianella amarella | Autumn Gentian |
| Crwynllys Cymreig | Gentianella uliginosa | Dune Gentian |
| Cycyllog Bach | Scutallaria minor | Lesser Skullcap |
| Cyfardwf | Symphytum officinale | Common Comfrey |
| Cyfardwf glorog | Symphytum tuberosum | Tuberous Comfrey |
| Cyngaf Bychan | Arctium minus | Lesser Burdock |
| Cynfas Biws | Aubrieta deltoidea | Aubretia |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Dail Arian | Potentilla anserina | Silverweed |
| Dinodd parhoel Maesyfed | Scleranthus perennis | Perennial Knawel |
| Draenen Ddu | Prunus spinosa | Blackthorn |
| Duegredynen Fforchog | Asplenium septentrionale | Forked Spleenwort |
| Duegredynen Gwalt y Forwyn | Asplenium trichomanes | Maidenhair Spleenwort |
| Duegredynen Reiniolaidd | Asplenium obovatum | Lanceolate Spleenwort |
| Duegredynen Werdd | Asplenium viride | Green Spleenwort |
| Dulys | Smyrnium olusatrum | Alexanders |
| Dyfrllys Llydanddail | Potamogeton Natans | Broad-leaved Pondweed |
| Dyfrllys Trydwll | Potamogeton perfoliatus | Perfoliate Pondweed |
| Dyfrllys y Gors | Potamogeton polygonifolius | Bog Pondweed |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Eglyn Cyferbynnddail | Chrysosplenium oppositifolium | Opposite-leaved Golden-saxifrage |
| Eiddil-welltyn Cynnar | Mibora minima | Early Sand-grass |
| Eidral | Glechoma hederacea | Ground-ivy |
| Eirlys | Galanthus nivalis | Snowdrop |
| Eithin y Mynydd | Ulex gallii | Western Gorse |
| Erbin Cyffredin | Clinopodium ascendens | Common Calamint |
| Erfinen Wyllt | Brassica rapa | Turnip |
| Erwain | Filipendula ulmaria | Meadowsweet |
| Erwain Lange | Equisteum x robertsii | Anglesey Horsetail |
| Erwain hybrid | Equisteum x meridionale | Hybrid Horsetail |
| Eurdrain | Berberis vulgaris | Barberry |
| Eurinllys blewog | Hypericum hirsutum | Hairy St John's-wort |
| Eurinllys gwelw | Hypericum montanum | Pale St John's-wort |
| Eurinllys mawr | Hypericum maculatum | Imperforate St John's-wort |
| Eurinllys pedronglog | Hypericum tetrapterum | Square-stalked St John's-wort |
| Eurinllys tlws (meinsyth) | Hypericum pulchrum | Slender St John's-wort |
| Eurinllys y gors | Hypericum elodes | Marsh St John's-wort |
| Eurwialen | Solidago virgaurea | Goldenrod |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Fioled Bêr | Viola odorata | Sweet Violet |
| Fioled y Cŵn | Viola canina ssp canina | Heath Dog-violet |
| Fioled y Gors | Viola palustris | Marsh Violet |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Ffacbysen Bedol | Hippocrepis comosa | Horseshoe Vetch |
| Ffacbysen Goronog | Securigera varia | Crown Vetch |
| Ffacbysen y coed | Vicia sylvatica | Wood Vetch |
| Ffa'r Moch | Hyocyamus niger | Henbane |
| Ffenigl | Foeniculum vulgare | Fennel |
| Ffenigl Arfor | Tripleurospermum maritimum | Sea Mayweed |
| Ffeuen y Gors | Menyanthes trifoliata | Bogbean |
| Ffugbysen y Cloddiau | Vicia sepium | Bush vetch |
| Ffugbysen Gulddail Ruddog | Vicia sativa | Common vetch |
| Ffugbysen y Gwanwen | Vicia lathyroides | Spring Vetch |
| Ffug erwien-dail-helyg | Spiraea x pseudosalicifolia | Confused Bridewort |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Galinsoga blewog | Galinsoga quadriradiata | Shaggy Soldier |
| Garlleg y Berth | Alliaria petiolata | Garlic Mustard |
| Gellesgen Ddrewllyd | Iris foetidissima | Stinking Iris |
| Gellesgen Farfog | Iris germanica | Bearded Iris |
| Glesyn y Coed | Ajuga reptans | Bugle |
| Glesyn-y-gaeaf canolig | Pyrola rotundifolia ssp maritima | Round-leaved Wintergreen |
| Gludlys Coch | Silene dioica | Red Campion |
| Gludlys Codrwth | Silene vulgaris ssp vulgaris | Bladder Campion |
| Gludlys Gogwyddol | Silene nutans | Nottingham Catchfly |
| Gludlys Mysoglyd | Silene acaulis | Moss Campion |
| Gold y Môr | Aster linocyris | Goldilocks Aster |
| Gorhilig | Radiola linoides | Allseed |
| Gorthyfail Cyffredin | Anthriscus caucalis | Bur Chervil |
| Gorthyfail Garw | Chaerophyllum temulum | Rough Chervil |
| Gorudd | Odontities vernus | Red Bartsia |
| Grug | Calluna vulgaris | Heather |
| Grug Deilgroes | Erica tetralix | Cross-leaved Heath |
| Grugeilyn Llyfn | Frankenia laevis | Sea Heath |
| Gwair Merllyn | Isoetes lacustris | Quillwort |
| Gwalchlys Gylfinhir | Crepis vesicaria | Beaked Hawk's-beard |
| Gwenith yr Hydd | Fagopyrum esculentum | Buckwheat |
| Gwifwrnwydden | Viburnum lantana | Wayfaring Tree |
| Gwlydd Melyn Mair | Lysimachia nemorum | Yellow Pimpernel |
| Gwlydd-y-dom Mawr | Stellaria neglecta | Greater Stitchwort |
| Gwrnerth Melyn | Scrophularia vernalis | Yellow Figwort |
| Gwyddfid Llorweddol | Lonicera pileata | Box-Leaved Honeysuckle |
| Gwyddfid Japan | Lonicera japonica | Japanese Honeysuckle |
| Gwyddfid Wilson | Lonicera nitida | Wilson's Honeysuckle |
| Gwylaeth Las | Lactuca tatarica | Blue Lettuce |
| Gwylaeth y Fagwyr | Mycelis muralis | Wall Lettuce |
| Gwylaeth-yr-oen ffrwythau gwlanlog | Valerianella eriocarpa | Hairy-fruited Cornsalad |
| Gwybybyr Wythfrigerog | Elatine hydropiper | Eight-stamened Waterwort |
| Gwlithlys | Drosera rotundifolia | Round-leaved Sundew |
| Gwibredynen | Blechnum spicant | Hard-fern |
| Gwlyddyn Mair y Gors | Anagallis tenella | Bog Pimpernel |
| Gweddw Galarus | Geranium phaeum | Dusky Crane's-bill |
| Gwenithwellt Caled | Catapodium rigidum | Fern-grass |
| Gwiolydd y Goedwig | Viola reichenbachiana | Early Dog-violet |
| Gwiolydd Gyffredin | Viola riviniana | Common Dog-violet |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Hebe'r Gwrych | Hebe x franciscana | Hedge Veronica |
| Heboglys Cambrian | Hieracium cambricum | Welsh Hawkweed |
| Heboglys yr Carneddau | Hieracium carneddorum | Carnedd Hawkweed |
| Heboglys danheddog mawr | Hieracium grandidens | Grand-toothed Hawkweed |
| Heboglys ffugleyi | Hieracium pseudoleyi | Purple-flushed Hawkweed |
| Helygen borforr Siberia | Salix acutifolia | Siberian Wiolet-willow |
| Helygen Fair | Myrica gale | Bog-myrtle |
| Helglys Seland Newydd | Epilobium brunnescens | New Zealand Willowherb |
| Helygen Wiail | Salix viminalis | Common Osier |
| Helys pigog | Salsola kali ssp kali | Prickly Saltwort |
| Hen Wraig | Santolina chamaecyparissus | Lavender-cotton |
| Hesgen Felen | Carex demissa | Yellow Sedge |
| Hesgen felen bach | Carex oederi | Small-fruited Yellow-sedge |
| Hesgen blodau pell | Carex distans | Distant Sedge |
| Hesgen y Tywod | Carex arenaria | Sand Sedge |
| Hocysen Gyffredin | Malva sylvestris | Common Mallow |
| Hocysen y morfa | Althaea officinalis | Marsh-mallow |
| Hocyswydden | Malva arborea | Tree Mallow |
| Hopys | Humulus lupulus | Hop |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Lafant y Môr Blodau Llac | Limonium humile | Lax-flowered Sea-lavender |
| Lafant y Môr Penfro | Limonium procerum ssp procerum | Rock Sea-lavender |
| Letusen Las | Lactuca tatarica | Blue Lettuce |
| Lili'r Wyddfa | Gagea serotina | Snowdon Lily |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Llaethlys Môr y Canoldir | Euphorbia characias ssp characias | Mediterranean Spurge |
| Llaethlys y Môr | Euphorbia paralias | Sea Spurge |
| Llaethlys Portland | Euphorbia portlandica | Portland Spurge |
| Llawedynen y Calchfaen | Gymnocarpium robertianum | Limestone Fern |
| Llawredynen y Derw | Gymnocarpium dryopteris | Oak Fern |
| Llawredynen y Fagwyr | Polypodium vulgare | Polypody |
| Lleidlys Cymrieg | Limosella australis | Welsh Mudwort |
| Llin | Linum usitatissimum | Flax |
| Llin culddail | Linum bienne | Pale Flax |
| Llin y Llyffant | Linaria vulgaris | Common Toadflax |
| Llinesg y Dŵr | Myosoton aquaticum | Water Chickweed |
| Lluglys gludiog | Silene viscaria | Sticky Catchfly |
| Llwyn-creulys "Sunshine" | Brachyglottis "Sunshine" | Shrub Ragwort |
| Llwyd y Cŵn | Marrubium vulgare | White Horehound |
| Llwynhidydd | Plantago lanceolata | Ribwort Plantain |
| Llwyn-llygad-y-dydd Celynnog | Olearia macrodonta | New Zealand Holly |
| Llwyn Oregon | Mahonia aquifolium | Oregon-grape |
| Llygad Doli | Veronica chamaedrys | Germander Speedwell |
| Llygad Ebrill | Ficaria verna ssp fertilis | Lesser Celandine |
| Llygad-llo Mawr | Leucanthemum vulgare | Oxeye Daisy |
| Llygwyn Culddail | Atriplex patula | Common Orache |
| Llyriad Corn Carw | Plantago coronopus | Buck's-horn Plantain |
| Llyrlys | Salicornia europaea | Glasswort |
| Llysiau Cadwgan | Valeriana officinalis | Common Valerian |
| Llysiau Crist | Polygala vulgaris | Common Milkwort |
| Llysiau Llywelyn | Kickxia elatine | Sharp-leaved Fluellen |
| Llysiau-Llywelyn Deilgrwyn | Kickxia spuria | Round-leaved Fluellen |
| Llysiau'r-bystwn Llyfn | Erophila glabrescens | Common Whitlowgrass |
| Llysiau'r-bystwn melyn | Draba Aizoides | Yellow Whitlowgrass |
| Llysiau'r cryman | Anagallis arvensis | Scarlet Pimpernel |
| Llysiau'r-gwrid | Anchusa azurea | Garden Anchusa |
| Llysiau'r Gymalwst | Aegopodium podagraria | Ground-elder |
| Llysiau'r Llewpart | Doronicum pardalianches | Leopard's-bane |
| Llys y Cryman | Anagallis arvensis | Scarlet Pimpernel |
| Llys y Dryw Peraroglus | Agrimonia procera | Fragrant Agrimony |
| Llys y Gwrid | Pentaglottis sempervirens | Green Alkanet |
| Llys y Llwynog | Geranium robertianum | Herb-Robert |
| Llys yr Angel | Angelica sylvestris | Wild Angelica |
| Llys yr Ysgyfaint | Pulmonaria officinalis | Lungwort |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Maglys Awrywedd | Medicago arabica | Spotted Medick |
| Maglys Rhuddlas | Medicago sativa | Lucerne |
| Mandon Las Yr Ŷd | Sherardia arvensis | Field Madder |
| Mantell-Fiair Lefn | Alchmilla glabra | Smooth Lady's-mantle |
| Mapgoll | Geum urbanum | Wood Avens |
| Marchrawnen y Dŵr | Equisetum fluviatile | Water Horsetail |
| Marchrawnen Yns Mon | Equisetum x robertsii | Anglesey Horsetail |
| Marchwellt y Twyni | Elytrigia juncea ssp boreoatlantica | Sand Couch |
| Marchysgallen | Cirsium vulgare | Spear Thistle |
| Marddanhadlen felen | Lamiastrum galeobdolon ssp montanum | Yellow Archangel |
| Masarnen | Acer pseudoplatanus | Sycamore |
| Masarn Fach | Acer campestre | Field Maple |
| Maswellt | Holcus lanatus | Yorkshire Fog |
| Mefusbren | Arbutus unedo | Strawberry Tree |
| Meillionen Gedenog | Trifolium arvense | Hare's-foot Clover |
| Meillionen Hopysaidd | Trifolium campestre | Hop Trefoil |
| Meillionen Hopysaidd Fach | Trifolium dubium | Lesser Trefoil |
| Meillionen Rychog | Trifolium striatum | Knotted Clover |
| Melengu Wen | Reseda alba | White Mignonette |
| Meligwellt | Melica uniflora | Wood Melick |
| Melog y Cŵn | Pedicularis sylvatica | Lousewort |
| Melyn Mair | Calendula officinalis | Pot Marigold |
| Melynog y maun | Genista tinctoria | Dyer's Greenweed |
| Melynydd | Hypochaeris radicata | Common Cat's ear |
| Melyn yr Hwyr | Oenothera biennis | Common Evening-primrose |
| Melynydd Brych | Hypochaeris maculata | Spotted Cat's ear |
| Meyn yr Ŷd | Glebionis segetum | Corn marigold |
| Milldail | Achillea millefolium | Yarrow |
| Mintys danheddog | Mentha x villosonervata | Sharp-toothed Mint |
| Mintys deilgrwyn | Mentha suaveolens | Round-leaved Mint |
| Mintys troellennog | Mentha x verticillata | Whorled Mint |
| Mintys y Dŵr | Mentha aquatica | Water-mint |
| Moronen y Maes | Daucus carota | Wild Carrot |
| Mwg y Ddaear Amrywiol | Fumaria muralis ssp boraei | Common Ramping-fumitory |
| Mwsglys | Adoxa moschatellina | Town Hall Clock |
| Mwstard Du | Brassica nigra | Black Mustard |
| Mwstard Llwyd | Hirschfeldia incana | Hoary Mustard |
| Mwyaren Fair | Rubus caesius | Dewberry |
| Mynawydlys Dyfdrig | Subularia aquatica | Awlwort |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Olbrain | Lepidium coronopus | Swine-cress |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Pabi Coch | Papaver rhoeas | Common Poppy |
| Pabi'r Môr | Glaucium flavum | Yellow horned poppy |
| Palf yr Arth Ddrewedig | Helleborus foetidus | Stinking Hellebore |
| Pawrwellt Blewog | Bromopsis ramosa | Hairy-brome |
| Pawrwellt Cyffredin | Bromus hordeaceus ssp hordeaceus | Soft-brome |
| Pawrwellt Hysb | Anisantha sterilis | Sterile Brome |
| Pawrwellt Talsyth | Bromopsis erecta | Upright Brome |
| Pedwar-ban-byd helygddail | Veronica x franciscana | Hedge Veronica |
| Peisgwellt Eginol | Festuca vivipara | Viviparous Sheep's-fescue |
| Peisgwellt y twyni | Vulpia fasciculata | Dune fescue |
| Pelenllys Gronynnog | Pilularia globulifera | Pillwort |
| Pelydr Gwyrdd | Helleborus viridis ssp occidentalis | Green Hellebore |
| Pengaled | Centaurea nigra | Common Knapweed |
| Penigan barfog | Dianthus barbatus | Sweet William |
| Penigan Gwyryfaidd | Dianthus deltoides | Maiden Pink |
| Penrhudd | Origanum vulgare | Wild Marjoram |
| Perfagl Mwyaf | Vinca major | Greater Periwinkle |
| Perwellt y Gwanwyn | Anthoxanthum odoratum | Sweet Vernal-grass |
| Pidyn y Gog | Arum maculatum | Lords and Ladies |
| Pig y Crëyr | Erodium moschatum | Musk Storks-bill |
| Pig yr Aran Hirgoes | Geranium columbinum | Long-stalked Crane's-bill |
| Pig yr Aran Larpiog | Geranium dissectum | Cut-leaved Crane's-bill |
| Pig yr Aran Rhuddgoch | Geranium sanguineum | Bloody Crane's-bill |
| Pig-y-Crëyr Afor | Erodium maritimum | Sea Stork's-bill |
| Pisgwydden | Tilia x europaea | Lime |
| Pisgwydden dail bach | Tilia cordata | Small-leaved Lime |
| Plucen Felen | Anthyllis vulneraria ssp vulneraria | Kidney Vetch |
| Plucen Felen | Anthyllis vulneraria ssp corbierie | Kidney Vetch |
| Plu'r Gweunydd | Eriophorum angustifolium | Common Cottongrass |
| Plu'r Gweunydd Eiddil | Eriophorum gracile | Slender Cottongrass |
| Plu'r Gweunydd Unben | Eriophorum vaginatum | Hare's-tail Cottongrass |
| Porpin y Ffynnon | Montia fontana | Blinks |
| Pren Melyn Culdail | Berberis x stenophylla | Hedge Barberry |
| Procer poeth mawr | Kniphofia x praecox | Greater Red-hot Poker |
| Pumnalen Ymlusgol | Potentilla reptans | Creeping Cinquefoil |
| Pupurlys Amryddail | Lepidium heterophyllum | Smith's Pepperwort (or Cress) |
| Pupurlys Llwyd | Lepidium draba ssp draba | Hoary Cress |
| Pysen y Ceirw | Lotus corniculatus | Bird's-foot-trefoil |
| Pysen y Ceirw Fawr | Lotus pedunculatus | GreaterBird's-foot_trefoil |
| Pysen y Coed Gnapwreiddiog | Lathryus linifolius | Bitter Vetch |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Rhafnwydden Fythwyrdd | Rhamnus alaternus | Mediterranean Buckthorn |
| Rhafnwydd y Môr | Hippophae rhamnoides | Sea Buckthorn |
| Rhedynen Bersli | Cryptogramma crispa | Parsley Fern |
| Rhedynen y Craig | Phegopteris connectilis | Beech Fern |
| Rhedynen Wrychog | Trichomanes speciosum | Killarney Fern |
| Rhosmari | Rosmarinus officinalis | Rosemary |
| Rhuddygl Glan y Môr | Raphanus raphanistrum ssp maritimus | Sea Radish |
| Rhonwellt y Ci | Cynosurus cristatus | Crested Dog's-tail |
| Rhosyn Japan | Rosa rugosa | Japanese Rose |
| Rhwyddlwyn Culddail y Gors | Veronica scutellata | Marsh Speedwell |
| Rhwyddlwyn Meddygol | Veronica officinalis | Heath Speedwell |
| Rhwyddlwyn Pigog | Veronica spicata | Spiked Speedwell |
| Rhwyddlwyn y Maes | Veronica polita | Grey Field-speedwell |
| Rhwyddlwyn y Mur | Veronica arvensis | Wall Speedwell |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Sgorpionllys Ymlusgol | Myosotis secunda | Creeping Forget-me-not |
| Sgorpionllys y Coed | Myosotis sylvatica | Wood Forget-me-not |
| Sgorpionllys y Gors | Myosotis scorpioides | Water Forget-me-not |
| Seren y Gwanwyn | Scilla verna | Spring Squill |
| Serenllys Mawr | Stellaria holostea | Greater Stitchwort |
| Sêr-hesgen | Carex echinata | Star Sedge |
| Seren-Fethlehem Felen | Gagea bohemica | Radnor Lily |
| Seren y Morfa | Aster tripolium | Sea Aster |
| Suran y Coed | Oxalis acetosella | Wood-sorrel |
| Suran y Cŵn | Rumex acetosa | Common Sorrel |
| Suran Ruddgoch | Oxalis articulata | Pink-sorrel |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Tamaid y Cythraul | Succisa pratensis | Devil's-bit Scabious |
| Tafod yr Hydd | Asplenium scolopendrium | Hart's-tongue Fern |
| Tafod yr Llew | Picris echioides | Bristly Oxtongue |
| Tafod y Neidr | Ophioglossum vulgatum | Adder's-tongue |
| Tafod-yr-ych | Borago officinalis | Borage |
| Tafod-yr-ych bach | Borago pygmaea | Slender Borage |
| Tegeirian bera | Anacamptis pyramidalis | Pyramidal Orchid |
| Tegeirian Brych | Dactylorhiza maculata | Heath Spotted Orchid |
| Tegeirian llydanwyrdd bach | Platanthera bifolia | Lesser Butterfly Orchid |
| Tegeirian nyth aderyn | Neottia nidus-avis | Bird's-nest Orchid |
| Tegeirian Rhuddgoch | Dactylorhiza incarnata | Early Marsh Orchid |
| Tegeirian y Fign | Dactylorhiza purpurella | Northern Marsh-orchid |
| Tegeirian y Waun | Orchis morio | Green-winged Orchid |
| Tormaen Cyferbynddail | Saxifraga oppositifolia | Purple Saxifrage |
| Tormaen Gwyn y Gweunydd | Saxifraga granulata | Meadow Saxifrage |
| Tormaen Llydandroed | Saxifraga hypnoides | Mossy Saxifrage |
| Tormaen Serennog | Saxifraga stellaris | Starry Saxifrage |
| Tormaen Siobynnog | Saxifraga cespitosa | Tufted Saxifrage |
| Tormaen Tribys | Saxifraga tridactylites | Rue-leaved Saxifrage |
| Tormaen yr Eira | Saxifraga nivalis | Alpine Saxifrage |
| Tresgl y Moch | Potentilla erecta | Tormentil |
| Trilliw y Tywyn | Viola tricolor ssp curtisii | Dune Pansy |
| Troed-y-cyw Clymog | Torilis nodosa | Knotted Hedge-parsley |
| Troed-y-cyw Talsyth | Torilis japonica | Upright Hedge-parsley |
| Troed-y-Dryw | Aphanes arvensis | Parsley-piert |
| Troed y Golomen | Aquilegia vulgaris | Columbine |
| Troillig Arfor Mawr | Spergularia media | Greater Sea-spurrey |
| Trwyn-y-llo ymlusgol | Asarina procumbens | Trailing Snapdragon |
| Tywodlys Gwanwyn | Minuartia verna | Spring Sandwort |
| Tywodwllydd Gruwddail | Arenaria serpyllifolia | Thyme-leaved Sandwort |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Uchedlwydd | Viscum album | Mistletoe |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Wermod Lwyd | Artemesia absinthium | Wormwood |
| Wermod y môr | Artemesia maritima | Sea Wormwood |
| Wermod Wen | Tanacetum parthenium | Feverfew |
| Nôl i frig y tudalen |
| Cymraeg | Lladin | Saesneg |
|---|---|---|
| Y Dinboeth Fach | Persicaria minor | Small Water-pepper |
| Y Feidiog lwyd | Artemisia vulgaris | Common Mugwort |
| Y Ganrhi Goch Fach | Centaurium pulchellum | Lesser Centaury |
| Y Ganrhi felen | Blackstonia perfoliata | Yellow-wort |
| Y Gynffon Las | Buddleja davidii | Butterfly Bush |
| Y Llygad-llo Mwyaf | Leucanthemum x superbum | Shasta Daisy |
| Y Wermod Lwyd | Artemesia absinthium | Wormwood |
| Ysgallen Ogwydd | Carduus nutans | Nodding or Musk Thistle |
| Ysgallen Fair | Silybum marianum | Milk Thistle |
| Ysgallen Siarl | Carlina vulgaris | Carline Thistle |
| Ysgawen Fair | Sambucus ebulus | Dwarf Elder |
| Ysgedd | Crambe maritima | Sea Kale |
| Ysgorpionllys Cynnar | Myosotis ramosissima | Early Forget-me-not |
| Ytbysen fythol guldail | Lathyrus sylvestris | Narrow-leaved Everlasting-pea |
| Nôl i frig y tudalen |