A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Species listed are native wildflowers of Ireland unless marked with an asterix*. The link from the scientific name opens a page with photographs, plant details and a link to the BSBI distribution map. Index last updated 11.02.2023.
| SCIENTIFIC | COMMON | IRISH | |
| A | |||
| Acaena anserinifolia * | Pirri-pirri-bur, bronze | ||
| Acaena ovalifolia * | Pirri-pirri-bur, two-spined | ||
| Acanthus mollis * | Bears-breeches | ||
| Achillea millefolium | Yarrow | Athair thalún | |
| Achillea ptarmica | Sneezewort | Lus corráin | |
| Aegopodium podagria * | Ground Elder | Lus an easpaig | |
| Aethusa cynapium | Parsley, fools | Peirsil amaide | |
| Agrimonia eupatoria | Agrimony | Marbhdhraighean | |
| Agrimonia procera | Agrimony, fragrant | Marbhdhraighean cumhra | |
| Agrostemma githago * | Corncockle | Cogal | |
| Ajuga pyramidalis | Bugle, pyramidal | Glasair bheannach | |
| Ajuga reptans | Bugle | Glasair choille | |
| Ajuga reptans var.atropurpurea* | Bugle (garden cultivar) | ||
| Alchemilla mollis * | Ladys-mantle | Dearna Mhuire | |
| Alliaria petiolata | Mustard, garlic / Jack-by-the-hedge | Bóchoinneal | |
| Alisma lanceolatum | Water-plantain, narrow-leaved | Corrchopóg chaol | |
| Alisma plantago-aquatica | Water-plantain, common | Corrchopóg | |
| Allium ampeloprasum var babingtonii | Leek, Babingtons | Cainneann | |
| Allium triquetrum * | Three-cornered Garlic | Creamh garraí | |
| Allium ursinum | Ramsons | Creamh | |
| Allium vineale | Garlic, crow | Gairleog Mhuire | |
| Althaea officinalis | Marsh-mallow | Leamhach | |
| Anacamptis morio (Orchis morio) | Orchid, green-winged | Magairlín féitheach | |
| Anacamptis pyramidalis | Orchid, pyramidal | Magairlín na stuaice | |
| Anagallis arvensis | Pimpernel, scarlet | Falcaire fiáin | |
| Anagallis minima | Chaffweed | Falcaire beag | |
| Anagallis tenella | Pimpernel, bog | Falcaire corraigh | |
| Anchusa arvensis | Bugloss | Boglas | |
| Anemone nemorosa | Anemone, wood | Lus na gaoithe | |
| Anemone x hybrida * | Anemone, Japanese | ||
| Angelica sylvestris | Angelica, wild | Gallfheabhrán | |
| Antennaria dioica | Everlasting, mountain | Catluibh | |
| Anthemis punctata * | Chamomile, Sicilian | Return to Top | |
| Anthriscus caucalis | Chervil, bur | Peirsil bhog | |
| Anthriscus sylvestris | Parsley, cow | Peirsil bhó | |
| Anthyllis vulneraria | Vetch, kidney | Méara Muire | |
| Antirrhinum majus * | Snapdragon | Srubh lao | |
| Aphanes arvensis | Parsley-piert | Mionán Muire | |
| Aphanes australis | Parsley-piert, slender | Mionán Muire caol | |
| Apium graveolens | Celery, wild | Smaileog | |
| Apium inundatum | Marshwort, lesser | Smaileog bháite | |
| Apium nodiflorum | Water-cress, fools | Gunna uisce | |
| Aquilegia vulgaris | Columbine | Colaimbín | |
| Arabidopsis thaliana | Cress, thale | Tailís | |
| Arabis hirsuta | Rockcress, hairy | Gas caillí giobach | |
| Arbutus unedo | Strawberry-tree | Caithne | |
| Arctium minus | Burdock, lesser | Cnádán | |
| Arctium nemorosum | Burdock, wood | Cnádán fáil | |
| Arenaria serpyllifolia | Sandwort, thyme-leaved | Gaineamhlus tíme | |
| Armeria maritima | Thrift | Rabhán | |
| Armoracia rusticana * | Horse-radish | Meacan ragaim | |
| Artemisia maritma | Sea Wormwood | Liath na trá | |
| Artemisia vulgaris | Mugwort | Mongach meisce | |
| Arum italicum ssp.italicum* | Lords-and-ladies,Italian (garden form) | Cluas chaoin riabhach | |
| Arum italicum ssp.italicum* | Lords-and-ladies, Italian | Cluas chaoin riabhach | |
| Arum maculatum | Lords-and-ladies | Cluas chaoin | |
| Asparagus prostratus | Asparagus, wild | Lus súgach | |
| Asperula cynanchica | Squinancywort | Lus na haincise | |
| Aster tripolium | Aster, sea | Luibh bhléine | |
| Atriplex glabriuscula | Orache, babingtons | Eilifleog chladaigh | |
| Atriplex laciniata | Orache, frosted | Eilifleog phlúrach | |
| Atriplex patula * | Orache, common | Eilifleog | |
| Atriplex portulacoides | Sea-purslane | Lus an Ghaill | |
| Atriplex prostrata | Orache, spear-leaved | Eilifleog leathan | |
| Aubrieta deltoidea * | Aubrieta | ||
| Aucuba japonica * | Laurel, spotted | ||
| B | Return to Top | ||
| Baldellia ranunculoides | Water-plantain, lesser | Corrchopóg bheag | |
| Ballota nigra * | Horehound, black | Grafán dubh | |
| Barbarea intermedia * | Winter-cress, medium-flowered | Treabhach meánach | |
| Barbarea verna * | Winter-cress, american | Treabhach earraigh | |
| Barbarea vulgaris | Winter-cress | Treabhach | |
| Bellis perennis | Daisy | Nóinín | |
| Berula erecta | Water-parsnip, lesser | Ráib uisce | |
| Beta vulgaris ssp.maritima | Sea Beet | Laíon na trá | |
| Betonica officinalis | Betony | Lus beatha | |
| Bidens tripartita | Bur-marigold, trifid | Scothóg leathan | |
| Blackstonia perfoliata | Yellow-wort | Dréimire buí | |
| Borago officinalis * | Borage | Borráiste gorm | |
| Brassica napus * | Rape, wild | Ráib | |
| Brassica nigra | Mustard, black | Praiseach dhubh | |
| Brassica oleracea * | Cabbage, wild | Cabáiste fiáin | |
| Brassica rapa * | Turnip | Tornapa fiáin | |
| Buddleja davidii * | Butterfly-bush | Tor an fhéileacáin | |
| Butomus umbellatus | Flowering-rush | Luachair dhearg | |
| C | Return to Top | ||
| Cakile maritima | Rocket, sea | Cearrbhacán mara | |
| Calendula officinalis | Marigold, pot | ||
| Callitriche brutia ssp hamulata | Water-starwort, intermediate | Réiltín meánach | |
| Callitriche stagnalis | Water-starwort, common | Réiltín uisce | |
| Calluna vulgaris | Ling | Fraoch mór | |
| Caltha palustris | Marsh-marigold | Lus buí Bealtaine | |
| Calystegia pulchra * | Bindweed, hairy | Ialus giobach | |
| Calystegia sepium | Bindweed, hedge | Ialus fáil | |
| C.sepium ssp.roseata | Bindweed, hedge ssp. | Ialus fáil | |
| Calystegia silvatica * | Bindweed, large | Ialus mór | |
| C. silvatica ssp. disjuncta * | Bindweed, large ssp. | Ialus mór | |
| C. silvatica ssp. silvatica * | Bindweed, large ssp. | Ialus mór | |
| C.silvatica var.quinquepartita* | Bindweed, large var. | Ialus mór | |
| Calystegia soldanella | Bindweed, sea | Plúr an phrionsa | |
| Campanula portenschlagiana * | Bellflower, Adria | ||
| Campanula poscharskyana * | Bellflower, trailing | ||
| Campanula rotundifolia | Harebell | Méaracán gorm | |
| Capsella bursa-pastoris | Shepherds-purse | Lus an sparáin | |
| Cardamine flexuosa | Bittercress, wavy | Searbh-bhiolar casta | |
| Cardamine hirsuta | Bittercress,hairy | Searbh-bhiolar giobach | |
| Cardamine pratensis | Cuckoo-flower / Lady's Smock | Biolar gréagáin | |
| Carduus crispus | Thistle, welted | Feochadán reangach | |
| Carduus nutans * | Thistle, musk | Feochadán crom | |
| Carduus tenuiflorus | Thistle, slender | Feochadán caol | |
| Carlina vulgaris | Thistle, carline | Feochadán mín | |
| Centaurea cyanus * | Cornflower | Gormán | |
| Centaurea nigra | Knapweed, common | Mínscoth | |
| Centaurea nigra var.radiata | Knapweed (radiate form) | Mínscoth | |
| Centaurea scabiosa | Knapweed, greater | Mínscoth mhór | |
| Centaurium erythyraea | Centaury, common | Dréimire Mhuire | |
| Centaurium pulchellum | Centaury, lesser | Dréimire beag | |
| Centranthus ruber * | Valerian, red | Slán iomaire | |
| Cephalanthera longifolia | Helleborine, narrow-leaved | Cuaichín caol | |
| Cerastium arvense | Mouse-ear, field | Cluas luchóige mhóinéir | |
| Cerastium diffusum | Mouse-ear, sea | Cluas luchóige mhara | |
| Cerastium fontanum | Mouse-ear, common | Cluas luchóige mhara | |
| C.fontanum ssp.holosteoides | Mouse-ear, common ssp. | Cluas luchóige mhara | |
| Cerastium glomeratum | Mouse-ear, sticky | Cluas luchóige ghreamaitheach | |
| Cerastium tomentosum * | Snow-in-summer / Dusty Miller | ||
| Return to Top | |||
| Ceratophyllum demersum | Hornwort, rigid | Cornlach | |
| Chaenorhinum minus | Toadflax, small | Buaflíon minus | |
| Chamaemelum nobile | Chamomile, common | Camán meall | |
| Chamerion angustifolium * | Willowherb, rosebay | Lus na tine | |
| Chara sp. | Stoneworts | Aol-lus | |
| Chelidonium majus * | Celandine, greater | Garra bhuí | |
| Chenopodium album * | Fat Hen | Praiseach fhiáin | |
| Chenopodium rubrum | Goosefoot, red | Blonagán dearg | |
| Chrysanthemum segetum | Marigold, corn | Buíán | |
| Chrysosplenium oppositifolium | Golden-saxifrage, opposite-leaved | Glóiris | |
| Cicendia filiformis | Centaury, yellow | Deagha buí | |
| Cichorium intybus | Chicory | Siocaire | |
| Circaea lutetiana | Nightshade,enchanters | Fuinseagach | |
| Cicerbita macrophylla * | Blue-sowthistle, common | Bleachtán gorm | |
| Cirsium arvense | Thistle, creeping | Feochadán reatha | |
| Cirsium dissectum | Thistle, meadow | Feochadán móna | |
| Cirsium palustre | Thistle, marsh | Feochadán corraigh | |
| Cirsium vulgare | Thistle, spear | Feochadán colgach | |
| Clematis vitalba * | Travellers-joy | Gabhrán | |
| Clinopodium ascendens | Calamint, common | Cailmint | |
| Cochlearia anglica | Scurvygrass, English | Carrán muirisce | |
| Cochlearia danica | Scurvygrass, Danish | Carrán creige | |
| Cochlearia officinalis | Scurvygrass,common | Biolar trá | |
| Coeloglossum viride | Orchid, frog | Magairlín an loscáin | |
| Comarum palustre | Cinquefoil, marsh | Cnó léana | |
| Conium maculatum | Hemlock | Moing mhear | |
| Conopodium majus | Pignut | Cúlarán | |
| Convolvulus arvensis | Bindweed, field | Ainleog | |
| Conyza bilbaona * | Fleabane, Bilbao / hispid | ||
| Conyza bilbaona x Erigeron acer | Fleabane, Bilbao x Fleabane, blue | ||
| Conyza canadensis * | Fleabane, Canadian | ||
| Cordyline australis * | Cabbage-palm | ||
| Cornus sanguinea | Dogwood | Conbhaiscne | |
| Cornus sericea * | Dogwood, red-osier | ||
| Coronopus didymus | Swine-cress, lesser | Cladhthach mhín | |
| Coronopus squamatus | Swine-cress | Cladhthach | |
| Corylus avellana | Hazel | Coll | |
| Cota austriaca * | Chamomile, Austrian | ||
| Cotoneaster horizontalis * | Cotoneaster, wall | Cainchín balla | |
| Cotoneaster salicifolius * | Cotoneaster, willow-leaved | Cainchín | |
| Cotoneaster simonsii * | Cotoneaster, Himalayan | Cainchín Aiseach | |
| Cotoneaster sternianus * | Cotoneaster, Stern's | ||
| Crambe maritima | Sea-kale | Praiseach thrá | |
| Crassula helmsii * | Pigmyweed, New Zealand | Crasal Nua-Shéalannach | |
| Crataegus monogyna | Hawthorn | Sceach gheal | |
| Crepis biennis | Hawk's-beard, rough | Lus cúráin garbh | |
| Crepis capillaris | Hawk's-beard, smooth | Lus cúráin mín | |
| Crepis paludosa | Hawk's-beard, marsh | Lus cúráin corraigh | |
| Crepis vescaria * | Hawk's-beard, beaked | Lus cúráin gobach | |
| Crithmum maritimum | Rock Samphire | Craobhraic | |
| Crocosmia × crocosmiiflora* | Montbretia | Feileastram dearg | |
| Crocosmia pottsii* | Montbretia, Pott's | ||
| Crocus neapolitanus (C. vernus) * | Crocus, spring | ||
| C. neapolitanus x tommasinianus * | Crocus, hybrid | ||
| Crocus tommasinianus * | Crocus, early | ||
| Cuscuta epithymum | Dodder, common | Clamhán | |
| Cyclamen hederifolium * | Cyclamen, ivy-leaved | ||
| Cymbalaria muralis | Toadflax, ivy-leaved | Buaflíon balla | |
| Cynoglossum officinale | Hounds-tongue | Teanga chon | |
| Cytisus scoparius | Broom | Giolcach shléibhe | |
| D | Return to Top | ||
| Daboecia cantabrica | Heath, St.Daboec's | Fraoch na haon choise | |
| Dactylorhiza fuchsii | Spotted-orchid, common | Nuacht bhallach | |
| Dactylorhiza fuchsii var. okelli | Spotted-orchid, O'Kelly's | Nuacht bhallach Uí Ceallaigh | |
| Dactylorhiza incarnata | Marsh-orchid, early | Magairlín mór | |
| D. incarnata ssp. coccinea | Marsh-orchid, early | Magairlín mór | |
| D. incarnata ssp. incarnata | Marsh-orchid, early | Magairlín mór | |
| D. incarnata ssp. pulchella | Marsh-orchid, early | Magairlín mór | |
| Dactylorhiza maculata | Spotted-orchid, heath | Na circíní | |
| Dactylorhiza kerryensis | Marsh-orchid, Irish | Magairlín gaelach | |
| D. kerryensis var. kerryensis | Marsh-orchid, Irish var. | Magairlín gaelach | |
| Dactylorhiza occidentalis | Marsh-orchid, Western | Magairlín gaelach | |
| Dactylorhiza purpurella | Marsh-orchid, northern | Magairlín corcra | |
| Dactylorhiza traunsteinerioides | Marsh-orchid, narrow-leaved | Magairlín caol | |
| Dactylorhiza viridis | Orchid, frog | Magairlín an loscáin | |
| Dactylorhiza x braunii | Dactylorhiza fuchsii x kerryensis | ||
| Dactylorhiza x carnea | Dactylorhiza incarnata x maculata | ||
| Dactylorhiza x dinglensis | Dactylorhiza kerryensis x maculata | ||
| Dactylorhiza x kernerorum | Dactylorhiza incarnata x fuchsii | ||
| Dactylorhiza x venusta | Dactylorhiza fuchsii x purpurella | ||
| Daphne laureola * | Spurge-laurel | ||
| Dasiphora fruticosa | Cinquefoil, shrubby | Tor cúigmhéarach | |
| Daucus carota | Carrot, wild | Mealbhacán | |
| Daucus carota ssp. gummifer | Carrot, sea | Mealbhacán mara | |
| Digitalis purpurea | Foxglove | Lus mór | |
| Diplotaxis muralis * | Wall-rocket, annual | Ruachán buí | |
| Dipsacus fullonum | Teasel | Leadán úcaire | |
| Drosera anglica | Sundew, great | Cailís Mhuire mhór | |
| Drosera intermedia | Sundew, oblong-leaved | Cailís Mhuire | |
| Drosera rotundifolia | Sundew, round-leaved | Drúchtín na móna | |
| Dryas octopetala | Avens, mountain | Leaithín | |
| Duchesnea indica * | Strawberry, yellow-flowered | ||
| E | Return to Top | ||
| Echium vulgare | Vipers-bugloss | Lus nathrach | |
| Elatine hexandra | Waterwort, six-stamened | Bosán te | |
| Elodea canadensis | Waterweed, Canadian | Tím uisce | |
| Elodea nuttallii | Waterweed, Nuttall's | Tím uisce chaol | |
| Epilobium brunnescens * | Willowherb, new zealand | Saileachán sraoilleach | |
| Epilobium ciliatum * | Willowherb, american | Saileachán sráide | |
| Epilobium hirsutum | Willowherb, great | Saileachán mór | |
| Epilobium montanum | Willowherb, broad-leaved | Saileachán leathan | |
| Epilobium obscurum | Willowherb, short-fruited | Saileachán caol | |
| Epilobium palustre | Willowherb, marsh | Saileachán corraigh | |
| Epilobium parviflorum | Willowherb, hoary | Saileachán liath | |
| Epilobium roseum * | Willowherb, pale | Saileachán gasach | |
| Epilobium tetragonum * | Willowherb, square-stalked | ||
| Epipactis atrorubens | Helleborine, dark red | Cuaichín dearg | |
| Epipactis helleborine | Helleborine, broad-leaved | Ealabairín | |
| Epipactis palustris | Helleborine, marsh | Cuaichín corraigh | |
| Equisetaceae agg. | Horsetails | Cuirdín | |
| Erica cinerea | Heather, bell | Fraoch cloigíneach | |
| Erica tetralix | Heath, cross-leaved | Fraoch naoscaí | |
| Erigeron acris | Fleabane, blue | Lus gorm na ndreancaidí | |
| Erigeron canadensis | Fleabane, Canadian | ||
| Erigeron floribundus | Fleabane, Bilbao | ||
| Erigeron glaucus | Daisy, seaside | ||
| Erigeron karvinskianus * | Fleabane, Mexican | Nóinín balla | |
| Erigeron x stanleyi | Erigeron acris x floribundus | ||
| Erinus alpinus * | Foxglove, fairy | Méirín sí | |
| Eriocaulon aquaticum | Pipewort | Píbín uisce | |
| Eriophorum angustifolium | Cotton-grass, common | Ceannbhán | |
| Eriophorum vaginatum | Cotton-grass, hares-tail | Ceannbhán gaelach | |
| Erodium cicutarium | Stork's-bill, common | Creagach | |
| Erodium maritimum | Stork's-bill, sea | Creagach mara | |
| Erodium moschatum * | Stork's-bill, musk | Creagach muscach | |
| Erophila verna agg | Whitlowgrass, common | Bosán anagair | |
| Erucastrum gallicum * | Rocket, hairy | ||
| Ervilia hirsuta | Tare, hairy | Peasair arbhair | |
| Eryngium maritimum | Sea Holly | Cuileann trá | |
| Erysimum cheiri * | Wallflower | Lus an bhalla | |
| Erythranthe guttata * | Monkey-flower | Buí an bhogaigh | |
| Erythranthe × robertsii * | Erythranthe guttata x lutea | ||
| Escallonia rubra var macrantha * | Escallonia | Tomóg ghaelach | |
| Eschscholzia californica * | Poppy, Californian | ||
| Euonymus europaeus | Spindle | Feoras | |
| Eupatorium cannabinum | Hemp-agrimony | Cnáib uisce | |
| Euphorbia amygdaloides * | Spurge, wood | Lus Oilealla | |
| Euphorbia exigua * | Spurge, dwarf | Spuirse bhocht | |
| Euphorbia helioscopia * | Spurge, sun | Lus na bhfaithní | |
| Euphorbia hyberna | Spurge, Irish | Bainne caoin | |
| Euphorbia lathyris | Spurge, caper | ||
| Euphorbia mellifera * | Spurge, honey / Canary | ||
| Euphorbia paralias | Spurge, sea | Bainne léana | |
| Euphorbia peplus * | Spurge, petty | Gearr nimhe | |
| Euphorbia portlandica | Spurge, portland | Spuirse ghainimh | |
| Euphrasia officinalis agg. | Eyebrights | Glanrosc | |
| Euphrasia arctica | Arctic Eyebright | Glanrosc | |
| Euphrasia arctica ssp.borealis | Eyebright | Glanrosc | |
| Euphrasia confusa | Eyebright | Glanrosc | |
| Euphrasia nemorosa | Eyebright, common | Glanrosc | |
| Euphrasia salisburgensis | Eyebright, Irish | Glanrosc gaelach | |
| Euphrasia tetraquetra | Eyebright, western | Glanrosc | |
| F | Return to Top | ||
| Fallopia baldschuanica * | Russian-vine | ||
| Fallopia convolvulus | Bindweed, black | Glúineach dhubh | |
| Fallopia japonica * | Knotweed, japanese | Glúineach bhiorach | |
| Fallopia sachalinensis * | Knotweed, giant | Glúineach chapaill | |
| Ficaria verna | Celandine, lesser | Grán arcáin | |
| Ficaria verna ssp verna | Celandine, lesser / bulbous | Grán arcáin | |
| Filago minima | Cudweed, small | Cáithluibh bheag | |
| Filago germanica | Cudweed, common | Cáithluibh | |
| Filipendula ulmaria | Meadowsweet | Airgead luachra | |
| Filipendula vulgaris | Dropwort | Lus braonach | |
| Foeniculum vulgare * | Fennel | Finéal | |
| Fragaria vesca | Strawberry, wild | Sú talún fhiáin | |
| Frangula alner | Buckthorn, alder | Draighean fearna | |
| Fuchsia magellanica * | Fuchsia | Fiúise | |
| Fuchsia magellanica 'Molinae'* | Fuchsia, white | ||
| Fumaria bastardii * | Ramping-fumitory, tall | Camán searraigh ard | |
| Fumaria capreolata * | Ramping-fumitory, white | Camán searraigh bán | |
| Fumaria muralis * | Ramping-fumitory, common | Camán searraigh balla | |
| Fumaria muralis ssp boraei* | Ramping-fumitory, Boreau's | ||
| Fumaria officinalis * | Fumitory, common | Camán searraigh díge | |
| Fumaria purpurea * | Ramping-fumitory, purple | Camán searraigh corcra | |
| G | Return to Top | ||
| Galanthus nivalis * | Snowdrop | ||
| Galeopsis bifida * | Hemp-nettle, bifid | Ga buí | |
| Galeopsis tetrahit | Hemp-nettle, common | Ga buí | |
| Galinsoga parviflora * | Soldier, gallant | ||
| Galium album (mollugo) * | Bedstraw, hedge | Rú fáil | |
| Galium aparine | Cleavers | Garbhlus | |
| Galium boreale | Bedstraw, northern | Rú crua | |
| Galium odoratum | Woodruff | Lus moileas | |
| Galium palustre | Marsh-bedstraw, | Rú corraigh | |
| G.palustre ssp.elongatum | Marsh-bedstraw, great | Rú corraigh mór | |
| Galium saxatile | Bedstraw, heath | Luibh na bhfear gonta | |
| Galium sterneri | Bedstraw, limestone | Rú beag | |
| Galium verum | Bedstraw, lady's | Boladh cnis | |
| Gentianella amarella | Gentian, autumn | Muilcheann | |
| Gentianella campestris | Gentian, field | Lus an chrúbáin | |
| Gentianella verna | Gentian, spring | Ceadharlach Bealtaine | |
| Geranium columbinum | Crane's-bill, long-stalked | Crobh coilm | |
| Geranium dissectum | Crane's-bill, cut-leaved | Crobh giobach | |
| Geranium endressii * | Crane's-bill, French | ||
| Geranium ibericum * | Crane's-bill, Caucasian | ||
| Geranium lucidum | Crane's-bill, shining | Crobh geal | |
| Geranium molle | Crane's-bill, doves-foot | Crobh bog | |
| Geranium pratense | Crane's-bill, meadow | Crobh gorm | |
| Geranium purpureum | Little-robin | Eireaball rí | |
| Geranium pyrenaicum * | Crane's-bill, hedgerow | Crobh na bhfál | |
| Geranium robertianum | Herb-robert | Ruithéal rí | |
| G.robertianum ssp.celticum | Herb-robert | Ruithéal rí | |
| Geranium rotundifolium | Crane's-bill, round-leaved | Crobh cruinn | |
| Geranium sanguineum | Crane's-bill, bloody | Crobh dearg | |
| Geranium x oxonianum* | Crane's-bill, Druce's | ||
| Geum rivale | Avens, water | Macall uisce | |
| Geum urbanum | Avens, wood | Macall coille | |
| Geum x intermedium | Avens, water x wood | ||
| Gladiolus communis | Gladiolus, eastern | ||
| Glaucium flavum | Poppy, yellow horned | Caillichín na trá | |
| Glaux maritima | Sea-milkwort | Lus an tsailte | |
| Glebionis segetum | Marigold, corn | Buíán | |
| Glechoma hederacea | Ground-ivy | Athair lusa | |
| G.hederacea 'Variegata' | Ground-ivy, variegated | ||
| Gnaphalium sylvaticum | Cudweed, heath | Gnamhlus móna | |
| Gnaphalium uliginosum | Cudweed, marsh | Gnamhlus corraigh | |
| Griselinia littoralis * | Griselinia | ||
| Guizotia abyssinica * | Niger | ||
| Gunnera manicata * | Giant-rhubarb, Brazilian | Gunnaire na mbláth mór | |
| Gunnera tinctoria * | Giant-rhubarb | Gunnaire | |
| Gymnadenia conopsea s.s | Fragrant-orchid, chalk | Lus taghla | |
| Gymnadenia densiflora | Fragrant-orchid, marsh | Lus taghla corraigh | |
| H | Return to Top | ||
| Hebe salicifolia * | Koromiko | Niamhscoth shailí | |
| Hebe x franciscana * | Hedge veronica | Niamhscoth Phroinséis | |
| Hedera hibernica | Atlantic Ivy | Eidhneán | |
| Helianthemum oelandicum | Rock-rose, hoary | Grianrós liath | |
| Helminthotheca echioides * | Ox-tongue, bristly | Teanga bhó gharbh | |
| Helosciadium inundatum | Marshwort, lesser | Smaileog bháite | |
| Helosciadium nodiflorum | Water-cress, fools | Gunna uisce | |
| Heracleum mantegazzianum | Hogweed, giant | Feabhrán capaill | |
| Heracleum sphondylium | Hogweed | Feabhrán | |
| Hesperis matronalis * | Dames-violet | Feascarlus | |
| Hieracium agg. | Hawkweeds | Lus na seabhac | |
| Hieracium anglicum | Hawkweed, English | ||
| Hieracium cerinthiforme | Hawkweed, clasping-leaved | ||
| Hippophae rhamnoides * | Sea-buckthorn | Draighean mara | |
| Hippuris vulgaris | Mare's-tail | Colgrach | |
| Hirschfeldia incana * | Mustard,hoary | Mustard liath | |
| Honckenya peploides | Sandwort,sea | Gaineamhlus mara | |
| Humulus lupulus * | Hop | Hopa | |
| Hyacinthoides non-scripta | Bluebell | Coinnle corra | |
| Hyacinthoides x massartiana* | Bluebell, hybrid | ||
| Hydrocharis morsus-ranae | Frogbit | Greim an loscáin | |
| Hydrocotyle vulgaris | Pennywort, marsh | Lus na pingine | |
| Hylotelephium spectabile * | Stonecrop, butterfly | ||
| Hyoscyamus niger | Henbane | Gafann | |
| Hypericum androsaemum | Tutsan | Meas torc allta | |
| Hypericum calycinum * | Rose-of-Sharon | Lus buí Mhanannáin | |
| Hypericum elodes | St John's-wort, marsh | Luibh an chiorraithe | |
| Hypericum forrestii * | Tutsan, Forrest's | ||
| Hypericum 'Hidcote' * | Tutsan, Hidcote | ||
| Hypericum humifusum | St John's-wort, trailing | Beathnua sraoilleach | |
| Hypericum maculatum | St John's-wort, imperforate | Beathnua gan smál | |
| Hypericum perforatum | St John's-wort, perforate | Lus na Maighdine Muire | |
| Hypericum pulchrum | St John's-wort, slender | Beathnua baineann | |
| Hypericum tetrapterum | St John's-wort, square-stalked | Beathnua fireann | |
| Hypericum x desetangsii | St John's-wort, Des Etangs' | ||
| Hypochaeris radicata | Cat's-ear | Cluas chait | |
| I | Return to Top | ||
| Iberis umbellata * | Candytuft, garden | ||
| Ilex aquifolium | Holly | Cuileann | |
| Impatiens glandulifera * | Balsam, himalayan/indian | Lus na pléisce | |
| Inula crithmoides | Golden-samphire | Ailleann Pheadair | |
| Iris foetidissima * | Iris, stinking | Glóiriam | |
| Iris pseudoacorus | Iris, yellow | Feileastram | |
| J | |||
| Jacobaea aquatica | Ragwort, marsh | Buachalán corraigh | |
| Jacobaea maritima x vulgaris | Ragwort, silver x common | Return to Top | |
| Jacobaea vulgaris | Ragwort, common | Buachalán buí | |
| Jacobaea vulgaris ssp. dunensis | Ragwort (coastal subsp) | ||
| Jacobaea vulgaris var. nudus | Ragwort (rayless variety) | ||
| Jacobaea vulgaris x ssp. dunensis | Ragwort, common x subsp dunensis | ||
| Jacobaea x ostenfeldii | Ragwort, marsh x common | ||
| Jasione montana | Sheeps-bit | Duán na gcaorach | |
| Juniperus communis | Juniper | Aiteal | |
| K | |||
| Kerria japonica * | Kerria | ||
| Kickxia elatine | Fluellen, sharp-leaved | Buaflíon Breatnach | |
| Knautia arvensis | Scabious, field | Cab an ghasáin | |
| Koenigia campanulata * | Knotweed, lesser | Glúineach an chlúimh | |
| Koenigia polystachya * | Knotweed, Himalayan | Glúineach spíceach | |
| L | Return to Top | ||
| Lactuca serriola * | Lettuce,prickly | Leitís cholgach | |
| Lamiastrum galeobdolon ssp.argentatum* | Garden Yellow Archangel | ||
| Lamium album * | Dead-nettle, white | Caochneantóg bhán | |
| Lamium hybridum | Dead-nettle, cut-leaved | Caochneantóg dhiosctha | |
| Lamium maculatum * | Dead-nettle, spotted | ||
| Lamium purpureum | Dead-nettle, red | Caochneantóg dhearg | |
| Lapsana communis | Nipplewort | Duilleog bhríde | |
| Lathraea squamaria | Toothwort | Slánú fiacal | |
| Lathyrus japonicus ssp.maritimus | Pea, sea | Peasairín trá | |
| Lathyrus latifolius | Everlasting-pea, broad-leaved * | Peasairín leathanduilleach | |
| Lathyrus linifolius | Vetch, bitter | Corra meille | |
| Lathyrus pratensis | Vetchling, meadow | Peasairín buí | |
| Laurus nobilis * | Bay Laurel | Labhras | |
| Lavatera arborea | Tree-mallow | Hocas ard | |
| Lavatera x clementii * | Garden tree-mallow | ||
| Lemna minor | Duckweed, common | Ros lachan | |
| Lemna minuta * | Duckweed, least | ||
| Leontodon autumnalis | Hawkbit, autumn | Crág phortáin | |
| Leontodon hispidus | Hawkbit, rough | Crág phortáin gharbh | |
| Leontodon saxatalis | Hawkbit, lesser | Crág phortáin bheag | |
| Lepidium coronopus | Swine-cress | Cladhthach | |
| Lepidium didymum | Swine-cress, lesser | Cladhthach mhín | |
| Lepidium heterophyllum | Pepperwort, Smith's | Piobar an duine bhoicht | |
| Lepidium latifolium | Dittander | Piobracas | |
| Lepidium ruderale * | Pepperwort, narrow-leaved | ||
| Leucanthemum vulgare | Daisy, ox-eye | Noínín mór | |
| Leucanthemum x superbum * | Daisy, shasta | ||
| Leucojum aestivum * | Snowflake, summer | Plúirín samhraidh | |
| Leucojum vernum * | Snowflake, spring | ||
| Leycesteria formosa * | Honeysuckle, himalayan | Féithleann álainn | |
| Libertia formosa * | Chilean-iris | Murúch shneachta | |
| Ligustrum vulgare | Privet, wild | Pribhéad | |
| Limbarda crithmoides | Golden-samphire | Ailleann Pheadair | |
| Limnanthes douglasii * | Poached-egg plant / Meadow-foam | ||
| Limonium recurvum subsp. pseudotranswallianum | Sea-lavender, western | Lus liath na Boirne | |
| Limonium humile | Sea-lavender, lax-flowered | Lus liath na mara | |
| Limosella aquatica | Mudwort | Lus lathaí | |
| Linaria purpurea * | Toadflax, purple | Buaflíon corcra | |
| Linaria vulgaris * | Toadflax, common | Buaflíon | |
| Linum bienne | Flax, pale | Líon beag | |
| Linum catharticum | Flax, fairy | Lus na mban sí | |
| Linum radiola | Allseed | Gathán lín | |
| Listera cordata | Twayblade, lesser | Dédhuilleog bheag | |
| Listera ovata | Twayblade, common | Dédhuilleog | |
| Littorella uniflora | Shoreweed | Lus an chladaigh | |
| Lobelia dortmanna | Lobelia, water | Plúr an locháin | |
| Lobelia erinus * | Lobelia, garden | ||
| Lobularia maritima * | Alison,sweet | Alasam cumhra | |
| Logfia minima | Cudweed, small | Cáithluibh bheag | |
| Lonicera japonica * | Honeysuckle, Japanese | ||
| Lonicera nitida * | Honeysuckle, Wilson's | ||
| Lonicera periclymenum | Honeysuckle | Táthfhéithleann | |
| Lotus corniculatus | Birds-foot-trefoil, common | Crobh éin | |
| Lotus corniculatus var. sativus | Birds-foot-trefoil, common | ||
| Lotus pedunculatus | Birds-foot-trefoil, greater | Crobh éin corraigh | |
| Lotus subbiflorus | Birds-foot-trefoil, hairy | Crobh éin mosach | |
| Luma apiculata * | Myrtle, Chilean | ||
| Lunaria annua * | Honesty | ||
| Lupinus arboreus * | Lupin, tree | Lúipín crua | |
| Lychnis coronaria * | Campion, rose | ||
| Lychnis flos-cuculi | Ragged robin | Plúr na cuaiche | |
| Lycopersicon esculentum * | Tomato | Tráta | |
| Lycopus europaeus | Gipsywort | Feorán corraigh | |
| Lycopsis arvensis | Bugloss | Boglas | |
| Lysichiton americanus * | Skunk-cabbage, American | Geathar búi | |
| Lysimachia arvensis | Pimpernel, scarlet | Falcaire fiáin | |
| Lysimachia maritima | Sea-milkwort | Lus an tsailte | |
| Lysimachia minima | Chaffweed | Falcaire beag | |
| Lysimachia nemorum | Pimpernel, yellow | Lus Cholm Cille | |
| Lysimachia nummularia | Creeping-jenny | Lus an dá phingin | |
| Lysimachia punctata * | Loosestrife, dotted | Breallán dlúth | |
| Lysimachia tenella | Pimpernel, bog | Falcaire corraigh | |
| Lysimachia vulgaris | Loosestrife, yellow | Breallán léana | |
| Lythrum portula | Water-purslane | Puirpín uisce | |
| Lythrum salicaria | Purple-loosestrife | Créachtach | |
| M | Return to Top | ||
| Malus sylvestris | Crab-apple | Crann fia-úll | |
| Malva arborea | Tree-mallow | Hocas ard | |
| Malva moschata * | Musk-mallow | Hocas muscach | |
| Malva sylvestris | Mallow, common | Lus na meall Muire | |
| Malva x clementii * | Malva olbia x thuringiaca | ||
| Matthiola incana * | Stock, hoary | ||
| Matricaria chamomilla * | Mayweed, scented | Fíogadán cumhra | |
| Matricaria discoidea * | Pineappleweed | Lus na hiothlainne | |
| Meconopsis cambrica | Welsh poppy | Poipín Breatnach | |
| Medicago arabica * | Medick, spotted | Meidic bhreac | |
| Medicago lupulina | Medick, black | Dúmheidic | |
| Melampyrum pratense | Cow-wheat, common | Lus an tsagairt | |
| Melilotus albus * | Melilot, white | Crúibín cait bán | |
| Melilotus altissimus * | Melilot, tall | Crúibín cait mór | |
| Melilotus sulcatus * | Melilot, furrowed | ||
| Melissa officinalis * | Balm | Lus na meala | |
| Mentha arvensis | Mint, corn | Mismín arbhair | |
| Mentha aquatica | Mint, water | Mismín mionsach | |
| Mentha spicata * | Spearmint | Cartlainn gharraí | |
| Mentha suaveolens * | Mint, round-leaved | Mismín cumhra | |
| Mentha x piperita * | Peppermint | Lus an phiobair | |
| Mentha x verticillata | Mint, whorled | Mismín burla | |
| Menyanthes trifoliata | Bogbean | Bearnán lachan | |
| Mercurialis annua * | Mercury, annual | Lus glinne beag | |
| Mercurialis perennis * | Mercury, dogs | Lus glinne | |
| Mimulus guttatus * | Monkey-flower | Buí an bhogaigh | |
| Mimulus x robertsii * | Monkey-flower, hybrid | ||
| Minuartia verna | Sandwort, spring | Gaineamhlus earraigh | |
| Moehringia trinervia | Sandwort, three-nerved | Gaineamhlus féitheach | |
| Montia fontana | Blinks | Fliodh uisce | |
| Muscari armeniacum * | Grape-hyacinth, garden | ||
| Mycelis muralis * | Lettuce, wall | Leitís bhalla | |
| Myosotis arvensis | Forget-me-not, field | Lus míonla goirt | |
| Myosotis discolor | Forget-me-not, changing | Lus míonla buí | |
| Myosotis laxa | Forget-me-not, tufted | Ceotharnach beag | |
| Myosotis ramosissima | Forget-me-not, early | Lus míonla luath | |
| Myosotis secunda | Forget-me-not, creeping | Ceotharnach reatha | |
| Myosotis scorpioides | Forget-me-not, water | Ceotharnach uisce | |
| Myosotis x suzae | Forget-me-not, tufted x water | ||
| Myrica gale | Bog-myrtle | Raideog | |
| Myriophyllum aquaticum * | Parrots-feather | ||
| Myriophyllum spicatum | Water-milfoil, spiked | Líonánach | |
| N | Return to Top | ||
| Narcissus species * | Daffodils | Lus an chromchinn | |
| Narthecium ossifragum | Bog asphodel | Sciollam na móna | |
| Nasturtium microphyllum | Water-cress, narrow-fruited | Biolar mion | |
| Nasturtium officinale | Water-cress | Biolar | |
| Neotinea maculata | Orchid, dense flowered | Magairlín glas | |
| Neottia cordata | Twayblade, lesser | Dédhuilleog bheag | |
| Neottia nidus-avis | Orchid, birds-nest | Magairlín neide éin | |
| Neottia ovata | Twayblade, common | Dédhuilleog | |
| Nigella damascena | Love-in-a-mist | ||
| Nuphar lutea | Water-lily, yellow | Cabhán abhann | |
| Nymphaea alba | Water-lily, white | Bacán bán | |
| Nymphoides peltata * | Water-lily, fringed | Scéithín uisce | |
| O | Return to Top | ||
| Odontites vernus | Bartsia, red | Hocas tae | |
| Oenanthe aquatica | Water-dropwort, fine-leaved | Dathabha uisce | |
| Oenanthe crocata | Water-dropwort, hemlock | Dáthabha bán | |
| Oenanthe lachenalii | Water-dropwort, parsley | Dáthabha peirsile | |
| Oenanthe pimpinelloides | Water-dropwort, corky-fruited | Dáthabha ainíse | |
| Oenothera biennis * | Evening primrose, common | Coinneal oíche | |
| Oenothera glazioviana * | Evening primrose, large-flowered | Coinneal oíche mhór | |
| Oenothera stricta * | Evening primrose, fragrant | Connneal oíche chumhra | |
| Oenothera x fallax * | Evening primrose, intermediate | ||
| Omalotheca sylvatica | Cudweed, heath | Gnamhlus móna | |
| Ononis repens | Restharrow | Fréamhacha tairne | |
| Ononis spinosa * | Restharrow, spiny | ||
| Ophrys apifera | Orchid, bee | Magairlín na mbeach | |
| Ophrys insectifera | Orchid, fly | Magairlín na gcuileanna | |
| Orchis mascula | Orchid, early purple | Magairlín meidhreach | |
| Orchis morio | Orchid, green-winged | Magairlín féitheach | |
| Origanum vulgare | Marjoram | Máirtín fiáin | |
| Ornithopus perpusillus | Birds-foot | Crúba éin | |
| Orobanche alba | Broomrape, thyme | Múchóg dhearg | |
| Orobanche hederae | Broomrape, ivy | Múchóg mhór | |
| Orobanche minor | Broomrape, common | Múchóg bheag | |
| Osmunda regalis | Fern, royal | Raithneach ríúil | |
| Osteospermum jucundum * | Daisy, South African | ||
| Oxalis acetosella | Wood-sorrel | Seamsóg | |
| Oxalis articulata * | Pink-sorrel | Seamsóg ghlúineach | |
| Oxalis corniculata * | Yellow-sorrel, procumbent | Seamsóg bhuí | |
| O.corniculata var.atropurpurea* | Yellow-sorrel, purple-leaved | ||
| Oxalis incarnata * | Pink-sorrel, pale | ||
| Oxalis stricta * | Yellow-sorrel, upright | Seamsóg ghallda | |
| Oxybasis rubra | Goosefoot, red | Blonagán dearg | |
| P | Return to Top | ||
| Papaver cambricum | Welsh poppy | Poipín Breatnach | |
| Papaver dubium | Poppy, long-headed | Cailleach fhada | |
| Papaver rhoeas | Poppy, common | Cailleach dhearg | |
| Papaver somniferum | Poppy, opium | Codlaidín | |
| Parentucellia viscosa | Bartsia, yellow | Hocas tae buí | |
| Parietaria judaica | Pellitory-of-the-wall | Feabhraíd | |
| Parnassia palustris | Grass-of-Parnassus | Fionnscoth | |
| Parthenocissus quinquefolia | Virginia creeper | Athair | |
| Pastinaca sativa * | Parsnip, wild | Cuirdín bán | |
| Pedicularis palustris | Lousewort, marsh | Milseán móna | |
| Pedicularis sylvatica ssp.hibernica | Lousewort, Irish | Lus an ghiolla | |
| Pedicularis sylvatica ssp.sylvatica | Lousewort | Lus an ghiolla | |
| Pentaglottis sempervirens * | Green Alkanet | Boglas Spáinneach | |
| Persicaria amphibia | Bistort, amphibious | Glúineach uisce | |
| Persicaria amplexicaulis * | Bistort, red | Stóinse dearg | |
| Persicaria campanulata * | Knotweed,lesser | Glúineach an chlúimh | |
| Persicaria hydropiper | Water-pepper | Biorphiobar | |
| Persicaria lapathifolia * | Persicaria, pale | Glúineach bhán | |
| Persicaria maculosa | Redshank | Glúineach dhearg | |
| Persicaria wallichii * | Knotweed, himalayan | Glúineach spíceach | |
| Petasites pyrenaicus * | Winter heliotrope | Plúr na gréine | |
| Petasites hybridus | Butterbur | Gallán mór | |
| Petrosedum forsterianum * | Stonecrop, rock | Grafán creige | |
| Petrosedum rupestre * | Stonecrop, reflexed | Grafán crom | |
| Petroselinum crispum * | Parsley, garden | Peirsil gharraí | |
| Phacelia tanacetifolia * | Phacelia | ||
| Phedimus spurius * | Stonecrop, Caucasian | ||
| Phormium tenax * | Flax, New Zealand | Líon na Nua-Shéalainne | |
| Phygelius capensis * | Figwort, cape | ||
| Physalis peruviana * | Cape-gooseberry | ||
| Picris echiodes * | Ox-tongue, bristly | Teanga bhó gharbh | |
| Pilosella aurantiaca * | Hawkweed, orange | Searbh dearg | |
| Pilosella officinarum | Mouse-ear-hawkweed | Searbh na muc | |
| Pimpinella major | Burnet-saxifrage, greater | Coll an dromáin | |
| Pimpinella saxifraga | Burnet-saxifrage | Ainís fhiáin | |
| Pinguicula grandiflora | Butterwort, large-flowered | Leith uisce | |
| Pinguicula lusitanica | Butterwort, pale | Leith uisce beag | |
| Pinguicula vulgaris | Butterwort, common | Bodán meascáin | |
| Plantago coronopus | Plantain, bucks-horn | Adharca fia | |
| Plantago lanceolata | Plantain, ribwort | Slánlus | |
| Plantago major | Plantain, greater | Cuach Phádraig | |
| Plantago maritima | Plantain, sea | Slánlus mara | |
| Platanthera bifolia | Butterfly-orchid, lesser | Magairlín beag an fhéileacáin | |
| Platanthera chlorantha | Butterfly-orchid, greater | Magairlín mór an fhéileacáin | |
| Polygala serpyllifolia | Milkwort, heath | Na deirfiúiríní | |
| Polygala vulgaris | Milkwort, common | Lus an bhainne | |
| Polygonatum multiflorum agg* | Solomons seal | ||
| Polygonum arenastrum | Knotgrass, equal-leaved | Glúineach ghainimh | |
| Polygonum aviculare | Knotgrass | Glúineach bheag | |
| Polygonum littorale | Knotgrass ssp. | ||
| Polygonum oxyspermum | Knotgrass,ray's | Glúineach ghlé | |
| Potamogeton coloratus | Pondweed, fen | Liach eanaigh | |
| Potamogeton natans | Pondweed,broad-leaved | Liach Bhríde | |
| Potamogeton perfoliatus | Pondweed, perfoliate | Dréimire uisce | |
| Potamogeton polygonifolius | Pondweed, bog | Liach mhóna | |
| Potentilla anglica | Tormentil,trailing | Néalfartach shraoilleach | |
| Potentilla anserina | Silverweed | Briosclán | |
| Potentilla erecta | Tormentil | Néalfartach | |
| Potentilla fruticosa | Cinquefoil, shrubby | Tor cúigmhéarach | |
| Potentilla indica * | Strawberry, yellow-flowered | ||
| Potentilla palustris | Cinquefoil,marsh | Cnó léana | |
| Potentilla reptans | Cinquefoil,creeping | Cúig mhéar Mhuire | |
| Potentilla sterilis | Strawberry,barren | Sú talún bréige | |
| Poterium sanguisorba (Sanguisorba minor) | Burnet, salad | Lus an uille | |
| Primula veris | Cowslip | Bainne bó bleachtáin | |
| Primula vulgaris | Primrose | Sabhaircín | |
| Primula x polyantha | Oxlip, false | ||
| Prunella vulgaris | Selfheal | Duán ceannchosach | |
| Prunus cerasifera * | Cherry plum | ||
| Prunus laurocerasus * | Laurel | Labhras silíní | |
| Prunus spinosa | Blackthorn | Draighean | |
| Pseudofumaria lutea * | Corydalis, yellow | Giodairiam buí | |
| Pseudorchis albida | Orchid, small-white | Magairlín bán | |
| Pulicaria dysenterica | Fleabane, common | Lus buí na ndreancaidí | |
| R | Return to Top | ||
| Radiola linoides | Allseed | Gathán lín | |
| Ranunculus acris | Buttercup, meadow | Fearbán féir | |
| Ranunculus auricomus | Buttercup, goldilocks | Gruaig Mhuire | |
| Ranunculus bulbosus | Buttercup, bulbous | Tuile thalún | |
| Ranunculus ficaria | Celandine, lesser | Grán arcáin | |
| R.ficaria ssp.bulbilifer | Celandine, lesser | Grán arcáin | |
| Ranunculus flammula | Spearwort, lesser | Glasair léana | |
| Ranunculus hederaceus | Crowfoot, ivy-leaved | Néal uisce eidhneach | |
| Ranunculus lingua | Spearwort, greater | Glasair léana mhór | |
| Ranunculus omiophyllus | Crowfoot, round-leaved | Néal uisce cruin | |
| Ranunculus parviflorus * | Buttercup, small-flowered | Fearbán beag | |
| Ranunculus penicillatus | Water-crowfoot, stream | néal uisce bréige | |
| Ranunculus repens | Buttercup, creeping | Fearbán reatha | |
| R. repens var. degeneratus | Buttercup, creeping (double form) | ||
| Ranunculus sceleratus | Buttercup, celery-leaved | Toircheas fiáin | |
| Ranunculus subgenus Batrachium | Crowfoots | Néal uisce | |
| Ranunculus trichophyllus | Water-crowfoot, thread-leaved | Néal uisce ribeach | |
| Raphanus raphanistrum ssp. maritimus | Radish, sea | Meacan mara | |
| R. raphanistrum ssp. raphanistrum | Radish, wild | Meacan raidigh | |
| Reseda lutea * | Mignonette, wild | Buí beag | |
| Reseda luteola | Weld | Buí mor | |
| Reynoutria japonica | Knotweed, Japanese | Glúineach bhiorach | |
| Reynoutria sachalinensis | Knotweed, giant | Glúineach chapaill | |
| Rhinanthus minor | Yellow rattle | Gliográn | |
| Rhodiola rosea | Roseroot | Lus na laoch | |
| Rhododendron ponticum * | Rhododendron | Róslabhras | |
| Ribes nigrum * | Currant, black | Cuirín dubh | |
| Ribes sanguineum * | Currant, flowering | Cuirín | |
| Rorippa islandica | Yellow-cress, northern | Biolar buí na Boirne | |
| Rorippa microphylla | Water-cress, narrow-fruited | Biolar mion | |
| Rorippa nasturtium-aquaticum | Water-cress | Biolar | |
| Rorippa palustris | Yellow-cress, marsh | Biolar buí corraigh | |
| Rorippa sylvestris | Yellow-cress, creeping | Biolar buí reatha | |
| Rosa agrestis | Sweet-briar, small-leaved | Dris chumhra gheal | |
| Rosa arvensis | Field-rose | Rós léana | |
| Rosa canina | Dog-rose | Feirdhris | |
| Rosa 'Excelsa'* | Rose 'Excelsa' | ||
| Rosa micrantha | Sweet-briar, small-flowered | Dris chumhra bheag | |
| Rosa mollis | Downy-rose, soft | Rós bog | |
| Rosa multiflora * | Rose, many-flowered | ||
| Rosa rubiginosa | Sweet-briar | Dris chumhra | |
| Rosa rugosa * | Rose, Japanese | Rós rúscach | |
| Rosa sherardii | Downy-rose, Sherard's | Rós Shioraird | |
| Rosa spinosissima | Rose, burnet | Briúlán | |
| Rosa stylosa | Field-rose, short-styled | Rós stíleach | |
| Rosa x irregularis | Field-rose x dog-rose | ||
| Rosa x pseudorusticana | Field-rose x short-styled field-rose | ||
| Rosa x scabriuscula | Dog-rose x harsh downy-rose | ||
| Rubia peregrina | Madder, wild | Garbhlus na Boirne | |
| Rubus caesius | Dewberry | Eithreog | |
| Rubus dentatifolius | Bramble | ||
| Rubus flexuosus | Bramble | ||
| Rubus fruticosus agg. | Brambles | Dris | |
| Rubus idaeus | Raspberry | Sú craobh | |
| Rubus nemorosus | Bramble | ||
| Rubus saxatalis | Bramble, stone | Sú na mban mín | |
| Rubus spectablis * | Salmon-berry | Dris álainn | |
| Rubus sprengelii | Bramble | ||
| Rubus tricolor * | Bramble, chinese | ||
| Rumex acetosa | Sorrel, common | Samhadh bó | |
| Rumex acetosella | Sorrel, sheeps | Samhadh caorach | |
| Rumex conglomeratus | Dock, clustered | Copóg thriopallach | |
| Rumex crispus | Dock, curled | Copóg chatach | |
| Rumex hydrolapathum | Dock, water | Copóg uisce | |
| R.crispus ssp. littoreus | Dock, curled ssp. | ||
| R.crispus ssp. uliginosus | Dock, curled ssp. | ||
| Rumex obtusifolius | Dock, broad-leaved | Copóg shráide | |
| Rumex pulcher | Dock, fiddle | Copóg chumtha | |
| Rumex sanguineus | Dock, wood | Copóg choille | |
| Ruscus aculeatus * | Butchers-broom | ||
| S | Return to Top | ||
| Sabulina verna | Sandwort, spring | Gaineamhlus earrai | |
| Sagina apetala | Pearlwort, annual | Mongán lom | |
| Sagina maritima | Pearlwort, sea | Mongán mara | |
| Sagina nodosa | Pearlwort, knotted | Mongán glúineach | |
| Sagina procumbens | Pearlwort, procumbent | Mongán sínte | |
| Sagina subulata | Pearlwort, heath | Mongán móna | |
| Sagittaria sagittifolia | Arrowhead | Rinn saighde | |
| Salicornia agg. | Glassworts | Lus na gloine | |
| Salicornia europaea | Glasswort, common | ||
| Salicornia pusilla | Glasswort, one-flowered | ||
| Salicornia ramosissima | Glasswort, purple | ||
| Salix repens | Willow, creeping | Saileach reatha | |
| Salsola kali | Saltwort, prickly | Lus an tsalainn | |
| Salvia verbenaca | Clary, wild | Tormán | |
| Sambucus ebulus * | Elder, dwarf | Tromán | |
| Sambucus nigra | Elder | Trom | |
| Samolus valerandi | Brookweed | Falcaire uisce | |
| Sanguisorba minor | Burnet, salad | Lus an uille | |
| Sanicula europaea | Sanicle | Bodán coille | |
| Saponaria officinalis * | Soapwort | Garbhán creagach | |
| Sarcocornia perennis | Glasswort, perennial | Lus gloine buan | |
| Saxifraga hirsuta | Saxifrage, kidney | Mórán giobach | |
| Saxifraga hypnoides | Saxifrage, mossy | Mórán caonaigh | |
| Saxifraga rosacea | Saxifrage, Irish | Mórán gaelach | |
| Saxifraga spathularis | St Patrick's Cabbage | Cabáiste an mhadra rua | |
| Saxifraga tridactylites | Saxifrage, rue-leaved | Mórán balla | |
| Saxifraga x polita | S. hirsuta x S. spathularis | ||
| Scleranthus annuus | Knawel, annual | Cabhair Mhuire | |
| Scrophularia auriculata | Figwort, water | Donnlus uisce | |
| Scrophularia nodosa | Figwort, common | Donnlus | |
| Scrophularia nodosa var. bobartii | Figwort, green-flowered form | Donnlus | |
| Scutellaria galericulata | Skullcap | Cochall | |
| Scutellaria minor | Skullcap, lesser | Cochall beag | |
| Sedum acre | Stonecrop, biting | Grafán na gcloch | |
| Sedum album * | Stonecrop, white | Grafán bán na gcloch | |
| Sedum anglicum | Stonecrop, English | Póiríní seangán | |
| Sedum dasyphyllum * | Stonecrop, thick-leaved | Grafán ramhar | |
| Sedum forsterianum * | Stonecrop, rock | Grafán creige | |
| Sedum kimnachii * | Stonecrop, lesser Mexican | ||
| Sedum rosea | Roseroot | Lus na laoch | |
| Sedum rupestre * | Stonecrop, reflexed | Grafán crom | |
| Sedum spectabile * | Stonecrop, butterfly | ||
| Sedum spurium * | Stonecrop, Caucasian | ||
| Senecio erucifolius | Ragwort, hoary | Buachalán liath | |
| Senecio inaequidens | Ragwort, narrow-leaved | ||
| Senecio squalidus * | Ragwort, Oxford | Buachalán Pheadair | |
| Senecio sylvaticus | Groundsel, heath | Grúnlas móna | |
| Senecio viscosus * | Groundsel, sticky | Grúnlas greamaitheach | |
| Senecio vulgaris | Groundsel | Grúnlas | |
| Seriphidium maritimum | Wormwood, Sea | Liath na trá | |
| Sherardia arvensis | Madder, field | Dearg faille | |
| Sidalcea malviflora * | Mallow, praire | ||
| Silene dioica | Campion, red | Coireán coilleach | |
| Silene flos-cuculi | Ragged Robin | Plúr na cuaiche | |
| Silene gallica * | Catchfly, small-flowered | Coireán Francach | |
| Silene latifolia | Campion, white | Coireán bán | |
| Silene uniflora | Campion, sea | Coireán mara | |
| Silene vulgaris | Campion, bladder | Coireán na gcuach | |
| Silybum marianum * | Thistle, milk | Feochadán Muire | |
| Simethis mattiazzii | Lily, Kerry | Lile Fhíonáin | |
| Sinapis alba * | Mustard, white | Sceallagach | |
| Sinapis arvensis * | Charlock | Praiseach bhuí | |
| Sisymbrium officinale | Mustard, hedge | Lus an óir | |
| Sisyrinchium bermudiana | Blue-eyed-grass | Feilistrín gorm | |
| Sisyrinchium montanum * | Blue-eyed-grass, American | ||
| Smyrnium olusatrum * | Alexanders | Lusrán grándubh | |
| Solanum dulcamara | Nightshade, woody / Bittersweet | Fuath gorm | |
| S.dulcamara var.marinum | Nightshade, woody / Bittersweet | Fuath gorm | |
| Solanum lycopersicum * | Tomato | Tráta | |
| Solanum nigrum * | Nightshade, black | Fuath dubh | |
| Solanum tuberosum * | Potato | Práta | |
| Soleirolia soleirolii * | Mind-your-own-business | Lus na ndeor | |
| Solidago canadensis | Goldenrod, Canadian | ||
| Solidago virgaurea | Goldenrod | Slat óir | |
| Sonchus arvensis | Sow-thistle, perennial | Bleachtán léana | |
| Sonchus asper | Sow-thistle, prickly | Bleachtán colgach | |
| Sonchus oleraceus | Sow thistle, smooth | Bleachtán mín | |
| Sparganium emersum | Bur-reed, unbranched | Rísheisc lom | |
| Sparganium erectum | Bur-reed, branched | Rísheisc | |
| Spergula arvensis | Spurrey, corn | Corrán lín | |
| Spergularia marina | Sea-spurrey, lesser | Cabróis mhara bheag | |
| Spergularia media | Sea-spurrey, greater | Cabróis mhara mhor | |
| Spergularia rubra | Spurrey, sand | Cabróis dhuimhche | |
| Spergularia rubicola | Sea-spurrey, rock | Cabróis na gcloch | |
| Spiraea salicifolia * | Bridewort | Brídeach | |
| Spiraea x pseudosalicifolia * | Bridewort, confused | ||
| Spiranthes romanzoffiana | Ladys-tresses, Irish | Cúilín gaelach | |
| Spiranthes spiralis | Ladys-tresses, autumn | Cúilín Muire | |
| Stachys arvensis * | Woundwort, field | Cuislín gan duaire | |
| Stachys byzantina * | Lamb's-ear | ||
| Stachys officinalis | Betony | Lus beatha | |
| Stachys palustris | Woundwort, marsh | Duilleog na saor | |
| Stachys sylvatica | Woundwort, hedge | Créachtlus | |
| Stachys x ambigua | Woundwort, hybrid | ||
| Stellaria graminea | Stitchwort, lesser | Tursarraing bheag | |
| Stellaria holostea | Stitchwort, greater | Tursarraing mhór | |
| Stellaria media | Chickweed, common | Fuilig | |
| Stellaria pallida * | Chickweed, lesser | ||
| Stellaria uliginosa | Stitchwort, bog | Tursarraing mhóna | |
| Suaeda maritima | Sea-blite, annual | Blide mhara | |
| Succisa pratensis | Scabious, devils-bit | Odhrach bhallach | |
| Symphoricarpos albus * | Snowberry | Póirín sneachta | |
| Symphytum grandiflorum * | Comfrey, creeping | ||
| Symphytum officinale * | Comfrey, common | Compar | |
| Symphytum x uplandicum * | Comfrey, russian | Compar Rúiseach | |
| Syringa vulgaris * | Lilac | ||
| T | Return to Top | ||
| Tanacetum parthenium * | Feverfew | Lus deartán | |
| Taraxacum amarellum | Dandelion, Irish | Caisearbhán gaelach | |
| Taraxacum officinale agg. | Dandelions | Caisearbhán | |
| Tellima grandiflora * | Fringe-cups | ||
| Teucrium scorodonia | Wood sage | Iúr sléibhe | |
| Thalictrum flavum | Meadow-rue, common | Rú léana | |
| Thalictrum minus | Meadow-rue, lesser | Rú léana beag | |
| Thlaspi arvense | Penny-cress, field | Praiseach fhia | |
| Thymus drucei | Thyme, wild | Tím chreige | |
| Torilis japonica | Hedge-parsley, upright | Fionnas fáil | |
| Torilis nodosa | Hedge-parsley, knotted | Lus na gcloch fuail | |
| Tragopogon pratensis | Goat's-beard | Finidí na muc | |
| Trifolium arvense | Clover, hares-foot | Cos mhaideach | |
| Trifolium campestre | Trefoil, hop | Seamair dhuimhche | |
| Trifolium dubium | Trefoil, lesser | Seamróg | |
| Trifolium fragiferum | Clover, strawberry | Seamair mhogallach | |
| Trifolium hybridum * | Clover, alsike | Seamair lochlannach | |
| Trifolium medium | Clover, zigzag | Seamair sceabhach | |
| Trifolium micranthum | Trefoil, slender | Seamair bheag | |
| Trifolium pratense | Clover, red | Seamair dhearg | |
| Trifolium pratense var. sativum | Clover, red | ||
| Trifolium repens | Clover, white | Seamair bhán | |
| Trifolium scabrum | Clover, rough | Seamair gharbh | |
| Trifolium striatum | Clover, knotted | Seamair striocach | |
| Triglochin maritimum | Arrowgrass, sea | Barr an mhilltigh mara | |
| Triglochin palustris | Arrowgrass, marsh | Barr an mhilltigh | |
| Tripleurospernum inodorum | Mayweed, scentless | Meá drua | |
| Tripleurospernum maritima | Mayweed, sea | Lus Bealtaine mara | |
| Tripolium pannonicum | Aster, sea | ||
| Tropaeolum majus * | Nasturtium | ||
| Tuberaria guttata | Rock-rose, spotted | Grianrós breac | |
| Tussilago farfara | Coltsfoot | Sponc | |
| U | Return to Top | ||
| Ulex europaeus | Gorse | Aiteann gallda | |
| Ulex gallii | Gorse, western | Aiteann gaelach | |
| Umbilicus rupestris | Wall pennywort | Carnán caisil | |
| Urtica dioica | Nettle | Neantóg | |
| Urtica urens * | Nettle, small | Neantóg bheag | |
| Utricularia intermedia s.l. | Bladderwort, intermediate | Lus borraigh gaelach | |
| Utricularia minor | Bladderwort, lesser | Lus borraigh beag | |
| Utricularia vulgaris | Bladderwort, greater | Lus an bhorraigh | |
| V | Return to Top | ||
| Vaccinium myrtillus | Bilberry | Fraochán | |
| Valeriana officinalis | Valerian, common | Caorthann corraigh | |
| Valerianella carinata * | Cornsalad, keeled-fruited | Ceathrú uain dhroimneach | |
| Valerianella dentata * | Cornsalad, narrow-fruited | Ceathrú uain chaol | |
| Valerianella locusta | Cornsalad, common | Ceathrú uain | |
| Valerianella rimosa * | Cornsalad, broad-fruited | Ceathrú uain leathan | |
| Verbascum blattaria * | Mullein, moth | ||
| Verbascum thaspus | Mullein, great | Coinnle Muire | |
| Verbascum virgatum * | Mullein, twiggy | ||
| Verbena officinalis | Vervain | Beirbhéine | |
| Veronica agrestis | Field-speedwell, green | Lus cré léana | |
| Veronica anagallis-aquatica | Water-speedwell, blue | Biolar grá | |
| Veronica arvensis | Speedwell, wall | Lus cré balla | |
| Veronica beccabunga | Brooklime | Lochall | |
| Veronica catenata | Water-speedwell, pink | Biolar grá dearg | |
| Veronica chamaedrys | Speedwell, germander | Anuallach | |
| Veronica crista-galli * | Field-speedwell, crested | Lus cré mór | |
| Veronica x franciscana * | Hebe / Hedge Veronica | Niamhscoth Phroinséis | |
| Veronica filiformis * | Speedwell, slender | Lus cré réileán | |
| Veronica hederifolia * | Speedwell, ivy-leaved | Lus cré eidhneach | |
| V.hederifolia ssp.hederifolia* | Speedwell, ivy-leaved | Lus cré eidhneach | |
| Veronica montana | Speedwell, wood | Lus cré coille | |
| Veronica officinalis | Speedwell, heath | Lus cré | |
| Veronica persica * | Field-speedwell, common | Lus cré garraí | |
| Veronica polita * | Field-speedwell, grey | Lus cré liath | |
| Veronica salicifolia * | Hebe, narrow-leaved | Niamhscoth shailí | |
| Veronica scutellata | Speedwell, marsh | Lus cré corraigh | |
| Veronica serpyllifolia | Speedwell, thyme-leaved | Lus an treacha | |
| Viburnum opulus | Guelder-rose | Caor chon | |
| Viburnum tinus * | Laurustinus | ||
| Vicia cracca | Vetch, tufted | Peasair na luch | |
| Vicia hirsuta | Tare, hairy | Peasair arbhair | |
| Vicia sativa | Vetch, common | Peasair chapaill | |
| Vicia sepium | Vetch, bush | Peasair fhiáin | |
| Vinca difformis * | Periwinkle, intermediate | ||
| Vinca major * | Periwinkle, greater | Fincín mór | |
| Vinca minor * | Periwinkle, lesser | Fincín beag | |
| Viola arvensis | Pansy, field | Lus croí | |
| Viola canina | Dog-violet, heath | Sailchuach mhóna | |
| Viola hirta | Dog-violet, hairy | Sailchuach ghiobach | |
| Viola lactea | Dog-violet, pale | Sailchuach liath | |
| Viola odorata | Dog-violet, sweet | Sailchuach chumhra | |
| Viola palustris | Violet, marsh | Sailchuach chorraigh | |
| Viola reichenbachiana | Dog-violet, early | Sailchuach luath | |
| Viola riviniana | Dog-violet, common | Sailchuach chon | |
| Viola tricolor spp. curtsii | Pansy, sand | Goirmín duimhche | |
| Viola tricolor spp. tricolor | Pansy, wild | Goirmín searraigh | |
| Viola x contempta | Pansy, wild x field | ||
| Viola x intersita | Dog-violet, heath x common | ||
| Viola x wittrockiana * | Pansy, garden | ||
| Z | |||
| Zantedeschia aethiopica * | Lily, arum / Lily, Easter | ||
| Return to Top | |||
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z