| All names | Ababol | Papaver |
| All names | Abedul | Betula pendula |
| All names | Abejera | Ophrys apifera |
| All names | Abeto | Picea abies |
| All names | Abeto | Abies alba |
| All names | Abrojos | Tribulus terrestris |
| All names | Abrotano (macho) | Artemisia abrotanum |
| All names | Abrotáno hembra | Santolina chamaecyparis |
| All names | Abrótano hembra | Santolina viridis |
| All names | Abuacado | Persea americana |
| All names | Acacia | Acacia |
| All names | Acacia de tres espinas | Gleditsia triacanthos |
| All names | Acacia, falsa | Robinia pseudacacia |
| All names | Acanto | Acanthus mollis |
| All names | Acebo | Ilex aquifolium |
| All names | Acebuche | Eleagnus angustifolia |
| All names | Acebuche | Olea europea |
| All names | Acedera | Rumex |
| All names | Acedera | Rumex acetosa |
| All names | Acedera con hojas redondas | Rumex scutatus |
| All names | Acederilla | Oxalis corniculata |
| All names | Acederilla | Oxalis europeae |
| All names | Acelga | Beta vulgaris var. esculenta |
| All names | Acerolo | Crataegus azarolus |
| All names | Achicoria | Cichorium intybus |
| All names | Acónito | Aconitum napellus |
| All names | Acónito | Aconitum lasiostomum |
| All names | Adelfa | Nerium oleander |
| All names | Adormidera | Papaver somniferum |
| All names | Agnocasto | Vitex agnus-castus |
| All names | Agracejo | Berberis vulgaris |
| All names | Agripalma | Leonurus |
| All names | Aguavientos | Phlomis herba-venti |
| All names | Aguazul | Mesembrianthemum |
| All names | Aguelicos | Muscari neglectum |
| All names | Ajedrea | Satureja hortensis |
| All names | Ajenjo (mayor) | Artemisia absinthium |
| All names | Ajipuerco | Muscari comosum |
| All names | Ajo | Allium sativum |
| All names | Ajo de oso | Allium ursinum |
| All names | Aladierno | Rhamnus alaternus |
| All names | Álamo | Populus |
| All names | Alaterno | Rhamnus alaternus |
| All names | Alazor | Carthamus tinctorius |
| All names | Albahaca | Ocimum basilicum |
| All names | Albahaca silvestre | Clinopodium vulgare |
| All names | Albaricoque(ro) | Prunus armeniaca |
| All names | Albohol | Frankenia laevis |
| All names | Alcachofa de gatos | Sempervivum tectorum |
| All names | Alcaparra | Capparis spinosa |
| All names | Alcaravea | Carum carvi |
| All names | Alcarchofa | Cynara scolymus |
| All names | Alcaucil silvestre | Cynara cardunculus |
| All names | Alcega silvestre | Limonium vulgare |
| All names | Alcega silvestre | Statice |
| All names | Alchicoria | Cichorium |
| All names | Alcornoque | Quercus suber |
| All names | Aldiza | Centaurea cyanus |
| All names | Alerce | Larix decidua |
| All names | Alfalfa | Medicago sativa |
| All names | Alfoncigo | Pistacia vera |
| All names | Alfonfón | Fagopyrum sagittatum |
| All names | Algarrobo | Ceratonia siliqua |
| All names | Algodon(ero) | Gossypium |
| All names | Algodonosa | Otanthus maritimus |
| All names | Alhelí | Matthiola incana |
| All names | Alhelí amarillo | Cheiranthus cheiri |
| All names | Alhelí de mahón | Malcolmia maritima |
| All names | Alholva | Trigonella foenum-graecum |
| All names | Alhucema | Lavandula lanata |
| All names | Alhucemilla | Lavandula multifida |
| All names | Aligustre | Ligustrum vulgare |
| All names | Aliso | Alnus glutinosa |
| All names | Almaciga | Pistacia lentiscus |
| All names | Almendro | Amygdalus communis |
| All names | Alméz | Celtis australis |
| All names | Almizclena | Triguera |
| All names | Alquequenje | Physalis franchetti |
| All names | Alquequenje falso | Nicandra physaloides |
| All names | Altramuz | Lupinus |
| All names | Altramuz amarillo | Lupinus luteus |
| All names | Altramuz azul | Lupinus angustifolius |
| All names | Altramuz blanco | Lupinus albus |
| All names | Altramuz hediondo | Anagyris |
| All names | Alverja | Vicia sativa |
| All names | Alverjana | Lathyrus ochrus |
| All names | Alvo | Berberis vulgaris |
| All names | Amapola | Papaver |
| All names | Amapola marina | Glaucium flavum |
| All names | Amapola morada | Roemeria hybrida |
| All names | Amargón | Taraxacum officinale |
| All names | Androsemo | Hypericum androsaemum |
| All names | Anea | Typha latifolia |
| All names | Anémone | Anemone |
| All names | Angelica | Angelica archangelica |
| All names | Anis | Pimpinella anisum |
| All names | Anteojos de Santa Lucia | Biscutella laevigata |
| All names | Apio | Apium graveolens var. dulce |
| All names | Apio de montana | Levisticum officinale |
| All names | Apio nabo | Apium graveolens var. rapaceum |
| All names | Aquileña | Aquilegia vulgaris |
| All names | Arandano | Vaccinium oxycoccus |
| All names | Arándano | Vaccinium myrtillus |
| All names | Arandano encarnado | Vaccinium vitis-idaea |
| All names | Arbol del amor | Cercis siliquastrum |
| All names | Árbol del cielo | Ailanthus glandulosa |
| All names | Arce | Acer monspessulanum |
| All names | Arce | Acer campestre |
| All names | Arce blanco | Acer pseudoplatanus |
| All names | Arcebilla | Echinospartum lusitanicum |
| All names | Argaña | Erica cinerea |
| All names | Armuelle | Atriplex |
| All names | Armuelle | Atriplex hortensis |
| All names | Arnacho | Ononis tridentata |
| All names | Árnica | Arnica montana |
| All names | Aro | Arum italicum |
| All names | Aro | Arum maculatum |
| All names | Arraclán | Frangula alnus |
| All names | Arroz | Oryza sativa |
| All names | Artemisia | Artemisia vulgaris |
| All names | Arveja común | Vicia sativa |
| All names | Asaro | Asarum europaeum |
| All names | Asfódelo blanco | Asphodelus albus |
| All names | Astrancia | Astrantia major |
| All names | Atarce | Tamarix |
| All names | Attabace | Inula viscosa |
| All names | Aulaga | Ulex europaeus |
| All names | Aulaga | Genista |
| All names | Avellana de Lambert | Corylus maxima |
| All names | Avellana de Turquia | Corylus colurna |
| All names | Avellano | Corylus avellana |
| All names | Avena | Avena fatua |
| All names | Avena | Avena sativa |
| All names | Azafrán | Crocus sativus |
| All names | Azafrán bravo | Crocus nudiflorus |
| All names | Azotacristos | Carthamus lanatus |
| All names | Azucena | Hemerocallis |
| All names | Azucena | Lilium |
| All names | Azucena del Pirineo | Lilium pyrenaicum |
| All names | Azucena silvestre | Lilium martagon |
| All names | Azufaifo | Zyzyphus jujuba |
| All names | Azulejo | Centaurea cyanus |
| All names | Baladra | Helleborus viridis |
| All names | Baladre | Nerium oleander |
| All names | Banana | Musa |
| All names | Barba cabruna | Tragopogon |
| All names | Barbas de macho | Phlomis crinita |
| All names | Bardana | Arctium |
| All names | Bardana menor | Xanthium strumarium |
| All names | Barriola | Salsola kali |
| All names | Bayón | Typha latifolia |
| All names | Bayón | Osyris alba |
| All names | Becabunga | Veronica beccabunga |
| All names | Beleño | Hyoscyamus niger |
| All names | Belladonna | Atropa belladonna |
| All names | Berengena | Solanum melongena |
| All names | Berengenilla | Mandragora officinarum |
| All names | Berenjena | Solanum melongena |
| All names | Bergamota | Citrus bergamia |
| All names | Berraza | Apium nodiflorum |
| All names | Berro de agua | Nasturtium officinale |
| All names | Berro-mastuerzo | Barbarea verna |
| All names | Betonica | Betonica |
| All names | Boca de dragón | Antirrhinum |
| All names | Boca de drágon | Antirrhinum molle |
| All names | Bocha | Dorycnium suffruticosum |
| All names | Boj | Buxus sempervirens |
| All names | Bolina | Genista |
| All names | Bolsa de pastor | Capsella bursa-pastoris |
| All names | Bonetero | Euonymus europaeus |
| All names | Borraja | Borago officinalis |
| All names | Brecina | Calluna vulgaris |
| All names | Brezo | Erica arborea |
| All names | Brezo de escobas | Erica scoparia |
| All names | Brezo rubio | Erica australis |
| All names | Brionía | Bryonia alba |
| All names | Brusco | Ruscus aculeatus |
| All names | Bufalaga | Thymelaea villosa |
| All names | Bugula | Ajuga |
| All names | Bujo | Rhododendron ponticum |
| All names | Bujo | Rhododendron ferrugineum |
| All names | Burillas | Tulipa australis |
| All names | Cabellos de Venus | Cuscuta |
| All names | Cacahuete | Arachis hypogaea |
| All names | Calabacera | Adenostyles alliariae |
| All names | Calabaza (común) | Cucurbita pepo |
| All names | Calabaza amarilla | Cucurbita maxima |
| All names | Calabaza confitera | Cucurbita maxima |
| All names | Calabaza moscada | Cucurbita moschata |
| All names | Calaminta | Calamintha nepeta |
| All names | Calderones | Trollius europaeus |
| All names | Caléndula | Calendula officinalis |
| All names | Camachuelo de Pallas | Caragana arborescens |
| All names | Camarina | Corema album |
| All names | Cambronera | Lycium barbarum |
| All names | Camedrios | Teucrium chamaedrys |
| All names | Camepiteos | Ajuga chamaepitys |
| All names | Campanilla | Leucojum |
| All names | Campanilla de invierno | Galanthus nivalis |
| All names | Caña común | Arundo donax |
| All names | Caña de azucar | Saccharum officinarum |
| All names | Cañaborda | Phragmites australis |
| All names | Cañaheja | Ferula communis |
| All names | Canamo | Cannabis sativa |
| All names | Cáñamo | Cannabis sativa |
| All names | Cañarejo | Smyrnium olusatrum |
| All names | Candelas | Armeria alliacea |
| All names | Candilera | Phlomis lychnitis |
| All names | Candiles | Aristolochia baetica |
| All names | Canizo | Chenopodium |
| All names | Cantarillos | Androsace maxima |
| All names | Cantueso | Lavandula stoechas |
| All names | Capuchina | Tropaeolum majus |
| All names | Capuli | Physalis franchetti |
| All names | Cardadores | Dipsacus fullonum |
| All names | Cardencha | Dipsacus fullonum |
| All names | Cardiguera | Carlina acaulis |
| All names | Cardo | Carduus |
| All names | Cardo (de arrecife) | Cynara cardunculus |
| All names | Cardo alcachofero | Cynara scolymus |
| All names | Cardo blanco | Eryngium bourgatii |
| All names | Cardo borriquero | Onopordum acanthium |
| All names | Cardo común | Cynara scolymus |
| All names | Cardo corredor | Eryngium planum |
| All names | Cardo de la uva | Carlina racemosa |
| All names | Cardo de María | Silybum marianum |
| All names | Cardo estrellado | Centaurea calcitrapa |
| All names | Cardo lechero | Silybum marianum |
| All names | Cardo santo | Cnicus benedictus |
| All names | Cardo yesquero | Echinops |
| All names | Cariofilada | Geum urbanum |
| All names | Cariofilada de montaña | Geum montanum |
| All names | Carlina | Carlina acanthifolia cynara |
| All names | Carpe | Carpinus betulus |
| All names | Carrasca | Quercus ilex |
| All names | Carrascas de San Juan | Otanthus maritimus |
| All names | Carraspique | Iberis umbellata |
| All names | Carreta de España | Ononis mitissima |
| All names | Carretón | Medicago arabica |
| All names | Carretón de amores | Medicago polymorpha |
| All names | Carrizo | Phragmites australis |
| All names | Carroncha | Erica ciliaris |
| All names | Cártamo | Carthamus tinctorius |
| All names | Casis | Ribes nigrum |
| All names | Castaña de agua | Trapa natans |
| All names | Castaño | Castanea sativa |
| All names | Castaño de Indias | Aesculus hippocastanum |
| All names | Cebada (común) | Hordeum polystichum |
| All names | Ceboletta | Allium fistulosum |
| All names | Ceboletta | Allium schoenoprasum |
| All names | Ceboletta de China | Allium chinense |
| All names | Cebolla | Allium cepa |
| All names | Cebolla albarrana | Urginea maritima |
| All names | Cebollino francés | Allium schoenoprasum |
| All names | Cedacillo | Briza media |
| All names | Celidonia mayor | Chelidonium majus |
| All names | Celonía | Paeonia mascula |
| All names | Ceñiglo | Chenopodium |
| All names | Cenizo | Chenopodium album |
| All names | Centaura amarilla | Blackstonia perfoliata |
| All names | Centaurea menor | Centaurium erythraea |
| All names | Centeno | Secale cereale |
| All names | Cerezo (de monte) | Prunus avium |
| All names | Cerezo aliso | Prunus padus |
| All names | Ceriflor | Cerinthe minor |
| All names | Cerraja | Sonchus |
| All names | Chalote | Allium cepa |
| All names | Chayote | Sechium edule |
| All names | Cherimoya | Annona cherimolia |
| All names | Chile | Capsicum frutescens |
| All names | Chirivía | Pastinaca sylvestris |
| All names | Chirivita | Bellis perennis |
| All names | Chopera | Frangula alnus |
| All names | Chopo | Populus |
| All names | Chufa | Cyperus esculentus |
| All names | Chumbera | Opuntia ficus-indica |
| All names | Cicércula | Lathyrus cicera |
| All names | Cidra | Citrus medica |
| All names | Cidrero | Citrus medica |
| All names | Cinco en rama | Potentilla reptans |
| All names | Cinoglossa | Cynoglossum officinale |
| All names | Ciprés | Cupressus |
| All names | Ciruela mirabolano | Prunus cerasifera |
| All names | Ciruelo | Prunus domestica |
| All names | Clavel | Dianthus |
| All names | Clavel coronado | Dianthus plumarius |
| All names | Clavelina (Montpellier) | Dianthus monspessulanus |
| All names | Clavelina de los cartujos | Dianthus carthusianorum |
| All names | Codeso de los Alpes | Laburnum alpinum |
| All names | Cohombrillo amargo | Ecballium elaterium |
| All names | Col berza | Brassica oleracea |
| All names | Col china | Brassica chinensis |
| All names | Col de mar | Crambe maritima |
| All names | Cola de golondrina | Sagittaria sagittifolia |
| All names | Cólchico | Colchicum autumnale |
| All names | Colinabo | Brassica napus var. arvensis |
| All names | Colleja | Silene vulgaris |
| All names | Colza | Brassica napus var. oleifera |
| All names | Comino | Cuminum cyminum |
| All names | Compañón | Orchis morio |
| All names | Consuelda | Consolida regalis |
| All names | Consueldo | Symphytum uplandicum x |
| All names | Coracan | Eleusine coracana |
| All names | Coriandro | Coriandrum sativum |
| All names | Cornejo | Cornus sanguinea |
| All names | Cornejo | Cornus mas |
| All names | Cornicabra | Pistacia terebinthus |
| All names | Cornical | Periploca |
| All names | Corno | Cornus mas |
| All names | Corona de rey | Saxifraga longifolia |
| All names | Coronilla de rey | Globularia alypum |
| All names | Corregüela hembra | Hippuris vulgaris |
| All names | Correguela marina | Calystegia soldanella |
| All names | Correguela mayor | Calystegia sepium |
| All names | Corregüela menor | Convulvulus arvensis |
| All names | Coscoja | Quercus coccifera |
| All names | Crenchos | Nasturtium officinale |
| All names | Cresta de gallo | Rhinanthus |
| All names | Croco blanco | Crocus albiflorus |
| All names | Cuajaleches | Galium |
| All names | Cuernecillo | Lotus corniculatus |
| All names | Cuscullo | Molopospermum peloponnesiacum |
| All names | Dedalera | Digitalis purpurea |
| All names | Diagontea | Dracunculus vulgaris |
| All names | Diente de león | Taraxacum officinale |
| All names | Diente de león | Taraxacum officinale |
| All names | Diente de perro | Erythronium |
| All names | Diente del perro | Erythronium dens-canis |
| All names | Digital | Digitalis |
| All names | Digital | Digitalis purpurea |
| All names | Dragoncillo | Artemisia dracunculus |
| All names | Dragoncillo pegajoso | Antirrhinum molle |
| All names | Dulcamara | Solanum dulcamara |
| All names | Durillo | Viburnum tinus |
| All names | Eléboro fétido | Helleborus foetidus |
| All names | Eléboro verde | Helleborus viridis |
| All names | Emborachacabras | Coriaria myrtifolia |
| All names | Encina | Quercus ilex |
| All names | Endrino | Prunus spinosa |
| All names | Enebro | Juniperus communis |
| All names | Eneldo | Anethum graveolens |
| All names | Enula campana | Inula helenium |
| All names | Erizones | Echinospartum horridum |
| All names | Escabiosa mordida | Succisa pratensis |
| All names | Escamonea falsa | Cynanchum acutum |
| All names | Escaramujo | Rosa canina |
| All names | Escarchada | Mesembrianthemum |
| All names | Escarola | Cichorium endivia |
| All names | Escoba blanca | Cytisus multiflorus |
| All names | Escorzonera | Scorzonera |
| All names | Escrofularia | Scrophularia |
| All names | Espadaña | Typha latifolia |
| All names | Espadilla | Gladiolus italicus |
| All names | Espantalobos | Comarum palustre |
| All names | Esparcete | Onobrychis viciifolia |
| All names | Espárrago | Asparagus officinalis |
| All names | Esparraguera | Asparagus officinalis |
| All names | Esparto | Stipa tenacissima |
| All names | Espejo de Venus | Legousia speculum-veneris |
| All names | Espiga de agua | Potamogeton |
| All names | Espina de Cristo | Paliurus spina-christi |
| All names | Espinaca | Spinacia oleracea |
| All names | Espinaca de Nueva Zelandia | Tetragonia expansa |
| All names | Espino amarillo | Hippophae rhamnoides |
| All names | Espino cerval | Rhamnus catharticus |
| All names | Espino de coral | Pyracantha coccinea |
| All names | Espliego | Lavandula latifolia |
| All names | Espliego | Lavandula angustifolia |
| All names | Espuela de caballero | Consolida regalis |
| All names | Estafisaria | Delphinium staphisagria |
| All names | Estragón | Artemisia dracunculus |
| All names | Estramonio | Datura stramonium |
| All names | Esvertia | Swertia perennis |
| All names | Eucalipto | Eucalyptus |
| All names | Falangera | Anthericum liliago |
| All names | Farolillos | Aquilegia vulgaris |
| All names | Feijoa | Feijoa sellowiana |
| All names | Fenogreco | Trigonella foenum-graecum |
| All names | Flamenquilla | Calendula officinalis |
| All names | Flor de cuchillo | Carpobrotus edulis |
| All names | Flor de la corona | Scilla peruviana |
| All names | Flor de la pluma | Achillea millefolium |
| All names | Flor de lis | Lilium pyrenaicum |
| All names | Flor de San Pallari | Trollius europaeus |
| All names | Flor de viuda | Trachelium caeruleum |
| All names | Flor del cuclillo | Lychnis flos-cuculi |
| All names | Frailillos | Arisarum vulgare |
| All names | Frambueso | Rubus idaeus |
| All names | Fresa | Fragaria |
| All names | Fresa moschata | Fragaria moschata |
| All names | Fresa silvatica | Fragaria vesca |
| All names | Fresnillo | Dictamnus albus |
| All names | Fresno | Fraxinus ornus |
| All names | Fresno | Fraxinus excelsior |
| All names | Freson | Fragaria ananassa x |
| All names | Fumaria | Fumaria officinalis |
| All names | Gamarza | Peganum harmala |
| All names | Gamón | Asphodelus ramosus |
| All names | Garbancera | Ononis fruticosa |
| All names | Garbanzo | Cicer arietinum |
| All names | Garon | Armeria alliacea |
| All names | Gatuña | Ononis repens |
| All names | Gatuña espinosa | Ononis spinosa |
| All names | Gayuba | Arctostaphylos uva-ursi |
| All names | Gazul | Mesembrianthemum |
| All names | Genciana | Gentiana |
| All names | Genciana amarilla | Gentiana lutea |
| All names | Genciana de primavera | Gentiana verna |
| All names | Genciana maculada | Gentiana burseri |
| All names | Genciana mayor | Gentiana lutea |
| All names | Genciana pirenaica | Gentiana pyrenaica |
| All names | Giloria | Digitalis thapsi |
| All names | Girasol | Helianthus annuus |
| All names | Girasol | Chrozophora |
| All names | Gitanilla | Pelargonium |
| All names | Gladiolo | Gladiolus italicus |
| All names | Gordolobo | Verbascum thapsus |
| All names | Gota de sangre | Adonis annua |
| All names | Graciola | Gratiola repens |
| All names | Granadilla | Passiflora edulis |
| All names | Granado | Punica granatum |
| All names | Grasilla | Pinguicula lusitanica |
| All names | Grasilla | Pinguicula vulgaris |
| All names | Grosella | Ribes |
| All names | Grosella | Ribes rubrum |
| All names | Grosella espinosa | Ribes uva-crispa |
| All names | Grosella negra | Ribes nigrum |
| All names | Grosellero espinoso | Ribes uva-crispa |
| All names | Grosellero rojo | Ribes rubrum |
| All names | Gualda | Isatis tinctoria |
| All names | Gualda | Reseda luteola |
| All names | Guardalobo | Osyris alba |
| All names | Guellas | Geranium sanguineum |
| All names | Guijas | Lathyrus sativus |
| All names | Guillomo | Amelanchier |
| All names | Guillomo | Amelanchier ovalis |
| All names | Guillomo | Cotoneaster |
| All names | Guindilla | Capsicum frutescens |
| All names | Guindilla | Capsicum annuum |
| All names | Guindo | Prunus cerasus |
| All names | Guisante | Pisum arvense |
| All names | Guisante | Pisum sativum |
| All names | Guisante de olor | Lathyrus odoratus |
| All names | Guitarrillo | Muscari comosum |
| All names | Haba | Vicia faba |
| All names | Haya | Fagus sylvatica |
| All names | Hedionda | Putoria |
| All names | Helébore fétido | Helleborus foetidus |
| All names | Helébore verde | Helleborus viridis |
| All names | Helebro blanco | Veratrum album |
| All names | Hepática | Hepatica nobilis |
| All names | Hepática blanca | Parnassia palustris |
| All names | Herbada | Gypsophila |
| All names | Hiedra | Hedera |
| All names | Hiedra terrestre | Glechoma |
| All names | Hiel de tierra | Centaurium erythraea |
| All names | Hierba blesa | Plumbago europaea |
| All names | Hierba buena | Mentha piperata |
| All names | Hierba cabruna | Psoralea bituminosa |
| All names | Hierba callera | Sedum telephium |
| All names | Hierba cana | Senecio vulgaris |
| All names | Hierba carmin | Phytolacca |
| All names | Hierba centella | Caltha palustris |
| All names | Hierba cupido | Catananche |
| All names | Hierba da la plata | Lunaria |
| All names | Hierba de la celada | Scutellaria galericulata |
| All names | Hierba de la golondrina | Chelidonium majus |
| All names | Hierba de la hernia | Herniaria glabra |
| All names | Hierba de la herradura | Hippocrepis comosa |
| All names | Hierba de la Lucía | Sarcocapnos |
| All names | Hierba de la moneda | Lysimachia nummularia |
| All names | Hierba de la tos | Ramonda myconia |
| All names | Hierba de las heridas | Prunella vulgaris |
| All names | Hierba de los canónigos | Valerianella locusta agg. |
| All names | Hierba de los carpinteros | Barbarea vulgaris |
| All names | Hierba de los pordioseros | Clematis |
| All names | Hierba de Paris | Paris quadrifolia |
| All names | Hierba de San Benito | Geum urbanum |
| All names | Hierba de San Cristobal | Actaea spicata |
| All names | Hierba de San Guillermo | Agrimonia |
| All names | Hierba de San Juan | Artemisia vulgaris |
| All names | Hierba de San Roberto | Geranium robertianum |
| All names | Hierba de Santa Catalina | Impatiens |
| All names | Hierba de sempredura | Antennaria dioica |
| All names | Hierba del asno | Oenothera |
| All names | Hierba del hígado | Hepatica nobilis |
| All names | Hierba del sol | Helianthus annuus |
| All names | Hierba gatera | Nepeta cataria |
| All names | Hierba lechera | Polygala |
| All names | Hierba llaguera | Anthyllis vulneraria |
| All names | Hierba lombriguera | Tanacetum vulgare |
| All names | Hierba luisa | Lippia citriodora |
| All names | Hierba mora | Atropa belladonna |
| All names | Hierba pajarera | Stellaria media |
| All names | Hierba pastel | Isatis tinctoria |
| All names | Hierba pejiguera | Polygonum persicaria |
| All names | Hierba pulguera | Pulicaria vulgaris |
| All names | Hierba verruguera | Heliotropium europaeum |
| All names | Higuera | Ficus carica |
| All names | Hiniesta | Cytisus scoparius |
| All names | Hiniesta | Genista |
| All names | Hinojo | Foeniculum vulgare |
| All names | Hinojo marino | Crithmum maritimum |
| All names | Hipericon | Hypericum androsaemum |
| All names | Hisopo | Hyssopus officinalis |
| All names | Hojaranzo | Carpinus betulus |
| All names | Hojaranzo | Rhododendron ferrugineum |
| All names | Hongo de Malta | Cynomorium coccineum |
| All names | Jabonera | Saponaria officinalis |
| All names | Jacinto bastardo | Dipcadi serotinum |
| All names | Jacinto estrellado di Peru | Scilla peruviana |
| All names | Jacinto leonado | Dipcadi serotinum |
| All names | Jacito de penacho | Muscari comosum |
| All names | Jaguarzo | Cistus monspeliensis |
| All names | Jaquarzo prieto | Cistus crispus |
| All names | Jara | Cistus |
| All names | Jara | Cistus ladanifer |
| All names | Jara estepa | Cistus albidus |
| All names | Jara jarguna | Cistus populifolius |
| All names | Jara rizada | Cistus crispus |
| All names | Jaramago | Sisymbrium |
| All names | Jaramago | Diplotaxis |
| All names | Jarón | Cistus populifolius |
| All names | Jazmín | Jasminum |
| All names | Jonquillo | Narcissus jonquilla |
| All names | Judia | Phaseolus |
| All names | Judia escarlata | Phaseolus coccineus |
| All names | Judia Lima | Phaseolus lunatus |
| All names | Judia roja | Phaseolus vulgaris |
| All names | Juliana | Hesperis matronalis |
| All names | Junco | Juncus |
| All names | Junco florido | Butomus umbellatus |
| All names | Kaki | Diospyros kaki |
| All names | Kiwi | Actinidia chinensis |
| All names | Kumquat | Fortunella margarita |
| All names | Labiérnago | Phyllyrea |
| All names | Lampazo | Arctium |
| All names | Lantana | Viburnum lantana |
| All names | Laurel | Laurus nobilis |
| All names | Laurel cerezo | Prunus laurocerasus |
| All names | Laurel de Portugal | Prunus lusitanica |
| All names | Laureola común | Daphne laureola |
| All names | Laureola hembra | Daphne mezereon |
| All names | Lavanda | Lavandula |
| All names | Lavanda real | Lavandula angustifolia |
| All names | Leche de pájaro | Ornithogalum umbellatum |
| All names | Lechuga | Lactuca |
| All names | Lechuga | Lactuca sativa |
| All names | Lechuga azul | Lactuca perennis |
| All names | Lechuga de campo | Valerianella locusta agg. |
| All names | Lengua de oveja | Scorpiurus |
| All names | Lenteja | Lens culinaris |
| All names | Lenteja de agua | Lemna |
| All names | Lentisco | Pistacia lentiscus |
| All names | Lepido | Lepidium sativum |
| All names | Lila | Syringa vulgaris |
| All names | Limón | Citrus limon |
| All names | Limonero | Citrus limon |
| All names | Linaria alpina | Linaria alpina |
| All names | Lino | Linum usitatissimum |
| All names | Linum blanco | Linum suffructicosum salsoloides |
| All names | Lirio | Iris |
| All names | Lirio amarillo | Iris pseudacorus |
| All names | Lirio de los valles | Convallaria majalis |
| All names | Lirio fetido | Iris foetidissima |
| All names | Lirio Pirenaico | Iris latifolia |
| All names | Llantén | Plantago major |
| All names | Llantén de agua | Alisma |
| All names | Loto de los pantanos | Lotus uliginosus |
| All names | Loto de los prados | Lotus corniculatus |
| All names | Lotus comestible | Zyzyphus lotus |
| All names | Lupulino | Medicago lupulina |
| All names | Lúpulo | Humulus lupulus |
| All names | Lysimaquia amarilla | Lysimachia vulgaris |
| All names | Lysimaquia rojo | Lythrum |
| All names | Madreselva | Lonicera |
| All names | Madreselva pirenaica | Lonicera pyrenaica |
| All names | Madro | Arbutus unedo |
| All names | Madroño | Arbutus unedo |
| All names | Maíz | Zea mays |
| All names | Malanga | Colocasia antiquorum |
| All names | Malva | Lavatera |
| All names | Malva | Malva |
| All names | Malva real | Alcea rosea |
| All names | Malvavisco | Althaea officinalis |
| All names | Mandarina | Citrus nobilis |
| All names | Mandrágora | Mandragora officinarum |
| All names | Manguitos | Primula eliator |
| All names | Mano de Santa Maria | Leonurus |
| All names | Manzana | Malus domestica |
| All names | Manzana silvestre | Malus sylvestris |
| All names | Manzanilla | Anthemis |
| All names | Manzanilla | Anacyclus officinarum |
| All names | Manzanilla común | Matricaria recutita |
| All names | Manzanilla del pirineo | Santolina viridis |
| All names | Manzanilla romana | Anthemis nobilis |
| All names | Manzano | Malus |
| All names | Maravilla | Calendula officinalis |
| All names | Maravilla | Convulvulus tricolor |
| All names | Margarita | Bellis perennis |
| All names | Margarita mayor | Leucanthemum vulgare |
| All names | Marmelo | Cydonia oblonga |
| All names | Marojo | Viscum cruciatum |
| All names | Marrubio | Marrubium vulgare |
| All names | Marrubio fétido | Ballota nigra |
| All names | Martagon común | Lilium martagon |
| All names | Mastuerzo de prado | Cardamine pratensis |
| All names | Mastuerzo de prado | Cardamine amara |
| All names | Mata de la seda | Gomphocarpus fruticosus |
| All names | Matagallos | Phlomis purpurea |
| All names | Matalahuva | Pimpinella anisum |
| All names | Matapulgas | Mentha suaveolens |
| All names | Matatrigos menor | Rhinanthus minor |
| All names | Matronal | Hesperis matronalis |
| All names | Mechera | Phlomis lychnitis |
| All names | Mejorana | Origanum marjorana |
| All names | Meliloto | Melilotus |
| All names | Meliloto amarillo | Melilotus officinalis |
| All names | Meliloto blanco | Melilotus albus |
| All names | Melio | Melia azedarach |
| All names | Melisa | Melissa officinalis |
| All names | Melisa bastarda | Melittis melissophylum |
| All names | Melocoton(ero) | Prunus persica |
| All names | Melojo | Quercus pyrenaica |
| All names | Melón | Cucumis melo |
| All names | Membrillo | Cydonia oblonga |
| All names | Menta | Mentha |
| All names | Menta piperita | Mentha piperata |
| All names | Menta verde | Mentha spicata |
| All names | Mercurial | Mercurialis |
| All names | Mezereon | Daphne mezereon |
| All names | Mielga | Medicago arabica |
| All names | Mijo común | Panicum miliaceum |
| All names | Mijo de sol | Lithospermum officinale |
| All names | Mijo perlado | Pennisetum typhoideum |
| All names | Milefolio | Achillea millefolium |
| All names | Milenrama | Achillea millefolium |
| All names | Mimosa | Acacia |
| All names | Mirto | Myrtus communis |
| All names | Mirto de Brabante | Myrica gale |
| All names | Monótropa | Monotropa hypopitys agg. |
| All names | Mora | Rubus plicatus |
| All names | Mora amarilla | Rubus chamaemorus |
| All names | Mora blanca | Morus alba |
| All names | Mora negra | Morus nigra |
| All names | Moral | Morus nigra |
| All names | Moral | Morus alba |
| All names | Morera | Morus nigra |
| All names | Morera | Morus alba |
| All names | Mostajo | Sorbus aria |
| All names | Mostajo | Sorbus torminalis |
| All names | Mostaza | Sinapis |
| All names | Mostaza | Sinapis |
| All names | Mostaza blanca | Sinapis alba |
| All names | Mostaza de Indias | Brassica juncea |
| All names | Mostaza negra | Brassica nigra |
| All names | Mostellar | Sorbus aria |
| All names | Muérdago | Viscum album |
| All names | Mundillos | Viburnum opulus |
| All names | Murajes | Anagallis arvensis |
| All names | Murta | Myrtus communis |
| All names | Nabo | Brassica rapa |
| All names | Nabo | Brassica napus var. oleifera |
| All names | Napelo | Aconitum napellus |
| All names | Narancia agria | Citrus amara |
| All names | Naranja dulce | Citrus sinensis |
| All names | Naranjo | Citrus sinensis |
| All names | Naranjo agrio | Citrus amara |
| All names | Narciso | Narcissus pseudonarcissus |
| All names | Narciso | Narcissus poeticus |
| All names | Narciso de los prados | Narcissus pseudonarcissus |
| All names | Narciso de manojo | Narcissus tazetta |
| All names | Nardo marino | Pancratium maritimum |
| All names | Nazarenos | Muscari neglectum |
| All names | Nectarina | Prunus persica |
| All names | Neguilla | Nigella sativa |
| All names | Neguillón | Agrostemma githago |
| All names | Nenúfar | Nymphaea |
| All names | Nenúfar amarillo | Nuphar |
| All names | Nido de pajaro | Neottia nidus-avis |
| All names | Ninfea | Nymphaea |
| All names | Níspero | Mespilus germanica |
| All names | Níspero de Japón | Eriobotrya japonica |
| All names | Nispola | Mespilus germanica |
| All names | Nispola de Japón | Eriobotrya japonica |
| All names | Nogal | Juglans |
| All names | Nogel | Juglans regia |
| All names | Nomeolvides pirenaico | Myosotis alpina |
| All names | Nueza blanca | Bryonia alba |
| All names | Nueza negra | Tamus communis |
| All names | Olivarda | Inula viscosa |
| All names | Olivilla común | Cneorum |
| All names | Olivo | Olea europea |
| All names | Olmo | Ulmus glabra |
| All names | Olmo | Ulmus campestris |
| All names | Olusatro | Smyrnium olusatrum |
| All names | Ombligo de Venus | Umbilicus rupestris |
| All names | Orcaneta amarilla | Onosma |
| All names | Orcaneta roja | Alkanna tinctoria |
| All names | Orégano | Origanum vulgare |
| All names | Oreja de oso | Ramonda myconia |
| All names | Ortiga | Urtica dioica |
| All names | Ortiga | Urtica |
| All names | Ortiga hedionda | Stachys |
| All names | Oruga | Eruca sativa |
| All names | Oruga maritima | Cakile maritima |
| All names | Oruzuz | Glycyrrhiza glabra |
| All names | Orvale | Withania somnifera |
| All names | Pajitos | Leucanthemum vulgare |
| All names | Pajitos | Chrysanthemum coronarium |
| All names | Palmera | Phoenix dactylifera |
| All names | Palmito | Chamaerops humilis |
| All names | Palodulce | Glycyrrhiza glabra |
| All names | Palomilla | Fumaria officinalis |
| All names | Pamplina de agua | Samolus valerandi |
| All names | Pangino | Eleagnus |
| All names | Papa(s) | Solanum tuberosum |
| All names | Paradisea | Paradisia liliastrum |
| All names | Paraíso | Melia azedarach |
| All names | Parietaria | Parietaria officinalis |
| All names | Parra | Vitis vinifera |
| All names | Pastinace | Pastinaca sativa |
| All names | Pataca | Helianthus tuberosus |
| All names | Patata de caña | Helianthus tuberosus |
| All names | Patata(s) | Solanum tuberosum |
| All names | Pegamoscas | Ononis natrix |
| All names | Pelitre | Chrysanthemum cinerarifolium |
| All names | Pelota marina | Zostera marina |
| All names | Penitentes | Muscari neglectum |
| All names | Peonía | Paeonia mascula |
| All names | Pepinillo del diablo | Ecballium elaterium |
| All names | Pepino | Cucumis sativus |
| All names | Perál | Pyrus communis |
| All names | Peralito de una flor | Moneses uniflora |
| All names | Peralito menor | Pyrola minor |
| All names | Perdiguera | Helianthemum nummularium |
| All names | Peregil | Petroselinum crispum |
| All names | Peregil del mar | Crithmum maritimum |
| All names | Perejil | Petroselinum crispum |
| All names | Perifolio | Anthriscus cerefolium |
| All names | Perifolio tuberoso | Chaerophyllum bulbosum |
| All names | Perifollo | Anthriscus cerefolium |
| All names | Perifollo | Myrrhis odorata |
| All names | Pervinca | Vinca minor |
| All names | Phacelia | Phacelia tanacetifolia |
| All names | Pico de cigüeña | Erodium cicutarium |
| All names | Pie de anade | Chenopodium bonus-henricus |
| All names | Pié de Cristo | Potentilla reptans |
| All names | Pie de gato | Antennaria dioica |
| All names | Pié de grifo | Helleborus foetidus |
| All names | Pié de león | Alchemilla vulgaris |
| All names | Pié de lobo | Lycopus europaeus |
| All names | Pimentero falso | Schinus molle |
| All names | Pimiento | Capsicum annuum |
| All names | Pimpinela | Sanguisorba |
| All names | Pincho | Salsola kali |
| All names | Pino | Pinus pinea |
| All names | Pino | Pinus cembra |
| All names | Piñones | Pinus pinea |
| All names | Piorno | Cytisus multiflorus |
| All names | Piorno azul | Erinacea |
| All names | Piorno de crucecitas | Vella spinosa |
| All names | Piorno fino | Echinospartum boissieri |
| All names | Piorno serrano | Cytisus purgans |
| All names | Pipirigallo | Onobrychis viciifolia |
| All names | Piretro | Chrysanthemum cinerarifolium |
| All names | Pistacho | Pistacia vera |
| All names | Placa minera | Diospyros kaki |
| All names | Placa minera del Europa | Diospyros lotus |
| All names | Plantaina | Plantago major |
| All names | Plátano | Platanus |
| All names | Plátano | Musa |
| All names | Platano, falso | Acer pseudoplatanus |
| All names | Poleo | Mentha pulegium |
| All names | Poligala | Polygala |
| All names | Primavera | Primula |
| All names | Puerro | Allium ampeloprasum |
| All names | Pulsatila alpina | Pulsatilla alpina apiifolia |
| All names | Pulsatila de primavera | Pulsatilla vernalis pyrenaica |
| All names | Pulsatilla | Pulsatilla vulgaris |
| All names | Quebrantaarados | Ononis spinosa |
| All names | Quejigo | Quercus lusitanica |
| All names | Quesillo | Hibiscus esculentus |
| All names | Quinoto | Fortunella margarita |
| All names | Quitameriendas | Merendera bulbocodium |
| All names | Rábano rusticano | Armoracia rusticana |
| All names | Rábanos | Raphanus sativus |
| All names | Rabiacana | Arisarum vulgare |
| All names | Ranúnculo | Ranunculus |
| All names | Ranúnculo del Pirineo | Ranunculus pyrenaeus |
| All names | Raspilla | Asperula arvensis |
| All names | Rebollo | Quercus robur |
| All names | Regaliz | Glycyrrhiza glabra |
| All names | Reina de los prados | Filipendula ulmaria |
| All names | Relojes | Erodium cicutarium |
| All names | Remolacha | Brassica rapa |
| All names | Remolacha | Beta vulgaris var. esculenta |
| All names | Retama | Lygos sphaerocarpa |
| All names | Retama | Lygos monosperma |
| All names | Retama de olor | Spartium junceum |
| All names | Retama espinosa | Calicotome |
| All names | Retamón | Cytisus purgans |
| All names | Rhododendro | Rhododendron ferrugineum |
| All names | Ricino | Ricinus communis |
| All names | Robinia | Robinia pseudacacia |
| All names | Roble | Quercus petraea |
| All names | Roble albar | Quercus robur |
| All names | Rocambole | Allium scorodoprasum |
| All names | Rocío del Sol | Drosera |
| All names | Roldón | Coriaria myrtifolia |
| All names | Romaza | Rumex patientia |
| All names | Romaza | Rumex |
| All names | Romero | Rosmarinus officinalis |
| All names | Rosa | Rosa |
| All names | Rosa de gueldres | Viburnum opulus |
| All names | Rosal alpino | Rosa pendulina |
| All names | Rubia | Rubia peregrina |
| All names | Ruda | Ruta graveolens |
| All names | Ruda cabruna | Galega officinalis |
| All names | Ruibarbo | Rheum |
| All names | Ruibarbo de los pobres | Thalictrum |
| All names | Rusco | Ruscus aculeatus |
| All names | Sabina | Juniperus communis |
| All names | Sabroso | Satureja montana |
| All names | Salicor | Salsola kali |
| All names | Salsifi blanco | Tragopogon porrifolius |
| All names | Salsifi negro | Scorzonera hispanica |
| All names | Salvia | Salvia |
| All names | Salvia | Salvia officinalis |
| All names | Salvia de prados | Salvia pratensis |
| All names | Salvia silvestre | Salvia sclarea |
| All names | Salvia viscosa | Salvia glutinosa |
| All names | Sandía | Citrullus vulgaris |
| All names | Sangre de Cristo | Orchis mascula |
| All names | Sanguinaria mayor | Polygonum arenastrum |
| All names | Sanguiñelo | Cornus sanguinea |
| All names | Sanícula hembra | Astrantia major |
| All names | Sanícula macho | Sanicula europaea |
| All names | Sanjueña | Lonicera xylosteum |
| All names | Santolina | Santolina chamaecyparis |
| All names | Saponaria Albahaca | Saponaria ocymoides |
| All names | Sarga | Salix |
| All names | Sauce | Salix |
| All names | Saúco | Sambucus nigra |
| All names | Saxifraga | Saxifraga |
| All names | Saxífraga amarilla | Saxifraga aizoides |
| All names | Saxifraga blanca | Saxifraga granulata |
| All names | Saxifraga dorada | Chrysosplenium oppositifolium |
| All names | Saxifraga dorada | Chrysosplenium alternifolium |
| All names | Seata de ague | Sagittaria sagittifolia |
| All names | Sebas de mar | Zostera marina |
| All names | Sello de Salomón | Polygonatum |
| All names | Serbal | Sorbus domestica |
| All names | Serpentina | Dracunculus vulgaris |
| All names | Serpoleto | Thymus serpyllum |
| All names | Serradella | Ornithopus sativus |
| All names | Servál común | Sorbus domestica |
| All names | Servál de los cazadores | Sorbus aucuparia |
| All names | Sésamo | Sesamum indicum |
| All names | Sicomoro | Acer pseudoplatanus |
| All names | Siempreviva | Sedum |
| All names | Siempreviva | Helichrysum |
| All names | Siempreviva de montaña | Sempervivum montanum |
| All names | Siempreviva mayor | Sempervivum tectorum |
| All names | Siempreviva menor | Sedum album |
| All names | Sinapo | Sinapis arvensis |
| All names | Sinfito | Symphytum uplandicum x |
| All names | Sínfito | Symphytum |
| All names | Soja | Glycine max |
| All names | Solano negro | Solanum nigrum |
| All names | Sombrerillo | Umbilicus rupestris |
| All names | Sorgo | Sorghum vulgare |
| All names | Sosa | Suaeda maritima |
| All names | Sosa de las salinas | Salicornia europaea |
| All names | Suca | Typha latifolia |
| All names | Suzón | Senecio vulgaris |
| All names | Tabaco | Nicotiana tabacum |
| All names | Tabaco | Nicotiana |
| All names | Tagarnina | Scolymus hispanicus |
| All names | Tambarella | Daboecia cantabrica |
| All names | Tanaceto | Tanacetum vulgare |
| All names | Taray | Tamarix |
| All names | Tarrago | Salvia pratensis |
| All names | Tejo | Taxus baccata |
| All names | Tembladera | Briza media |
| All names | Tercianaria | Scutellaria galericulata |
| All names | Tercianaria aplina | Scutellaria alpina |
| All names | Teticas de doncella | Cytinus hypocistis |
| All names | Tijerillas | Corydalis cava |
| All names | Tilo | Tilia platyphyllos |
| All names | Tiraña | Pinguicula vulgaris |
| All names | Toba | Onopordum acanthium |
| All names | Todabuena | Hypericum androsaemum |
| All names | Todosana | Hypericum androsaemum |
| All names | Tojo | Ulex europaeus |
| All names | Tomate arból | Cyphomandra betacea |
| All names | Tomate(ra) | Solanum lycopersicon |
| All names | Tomatillos del diablo | Solanum sodomaeum |
| All names | Tomato | Solanum lycopersicon |
| All names | Tomillo | Thymus |
| All names | Tomillo | Thymus vulgaris |
| All names | Torbisco | Daphne gnidium |
| All names | Tormentilla | Potentilla erecta |
| All names | Tornasol | Helianthus annuus |
| All names | Tornasol | Chrozophora |
| All names | Toronja | Citrus grandis |
| All names | Toronja | Citrus paradisi |
| All names | Torvisco de los Pirineos | Daphne cneorum |
| All names | Tragapan | Narcissus pseudonarcissus |
| All names | Transparente | Myoporum acuminatum |
| All names | Trébol | Trifolium |
| All names | Trébol acuático | Menyanthes trifoliata |
| All names | Trébol blanco | Trifolium repens |
| All names | Trébol común | Trifolium pratense |
| All names | Trébol dorado | Hepatica nobilis |
| All names | Trébol encarnado | Trifolium incarnatum |
| All names | Trébol hibrido | Trifolium hybridum |
| All names | Trigo | Triticum aestivum |
| All names | Trigo de las Indias | Zea mays |
| All names | Trigo sarraceno | Fagopyrum sagittatum |
| All names | Trigo vaccino | Melampyrum |
| All names | Trinitaria | Viola tricolor |
| All names | Trombon | Narcissus pseudonarcissus |
| All names | Tuera | Citrullus colocynthus |
| All names | Tulipán | Tulipa |
| All names | Tupinambo | Helianthus tuberosus |
| All names | Uña de caballo | Tussilago farfara |
| All names | Uña de gato | Sedum acre |
| All names | Urce | Erica arborea |
| All names | Uva | Vitis vinifera |
| All names | Uva de zerro | Paris quadrifolia |
| All names | Valeriana griega | Polemonium caeruleum |
| All names | Valeriana oficinal | Valeriana |
| All names | Valeriana roja | Centranthus ruber |
| All names | Vara de oro | Solidago |
| All names | Velesa | Plumbago europaea |
| All names | Velloritas | Primula veris |
| All names | Verbena | Verbena officinalis |
| All names | Verdolaga | Portulaca oleracea |
| All names | Veza | Vicia sativa |
| All names | Viborera morada | Echium |
| All names | Vid | Vitis vinifera |
| All names | Vincetóxico | Vincetoxicum hirundaria |
| All names | Violeta | Viola |
| All names | Vitaliana | Vitaliana primuliflora |
| All names | Viuda silvestre | Knautia |
| All names | Vulneraria | Anthyllis vulneraria |
| All names | Yezgo | Sambucus ebulus |
| All names | Yuyo | Chenopodium album |
| All names | Zacete de agua | Echinochloa crus-galli |
| All names | Zadorija | Hypecoum pendulum |
| All names | Zahina | Sorghum vulgare |
| All names | Zanahoria | Daucus |
| All names | Zanahoria | Daucus carota |
| All names | Zarza de los rastojos | Rubus rubus |
| All names | Zarza japonesa | Rubus phoenicolasius |
| All names | Zarzamora | Rubus rubus |
| All names | Zarzamora | Rubus plicatus |
| All names | Zarzaparilla | Smilax aspera |
| All names | Zulla | Hedysarum coronarium |
| All names | Zumaque | Rhus coriaria |
