| Noms géographiques | Noms scientifiques botaniques | Noms bibliques | Sobriquets | Noms d' établissements |
| Noms historiques | Noms scientifiques zoologiques | Noms fictifs | Pseudonymes |
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| Nom scientifique | Nom malgache |
| Radamaea montana | tambarasaha, tambaritsahona |
| Randia talangninia | amokombe, talañinia, voantalanina |
| Ranunculus multifidus | aforano |
| Ranunculus pinnatus subsp. | afotany |
| Ranunculus pinnatus | aforano, haforano, kelimahery, odiandoha, tongotramboabe |
| Rapanea erythroxyloides | hazontoho, hazontohonala |
| Raphanus sativus | radisa |
| Raphia ruffia | angarata, bao, beadala, bikoa, felipomby, fiara, fomba, fombanala, fomby, hisadrofia, horojy, hovaka, kiran-drofia, maivanaty, maranabo, mofia, rafia, raofia, riba, rofia, voampiso, voarafia |
| Raphidiocystis brachypoda | tarosarosa, vahinambaramaty, vahinamboaromoty, vahivorala, vavorakala |
| Rapona tiliifolia | mafaimenarovy, rainibolafotsy, rililo, vatry |
| Rauvolfia capuronii | hazomalemy, tangenala |
| Rauvolfia confertiflora | ento, fekabe, hento, hentona, heto, hiba, hibaky, rehiba, rehimba |
| Rauvolfia media | antalihazo, fihany, kabokala, mafaikopaka, mampoly, ndrambafoaky, tsipatikala |
| Rauvolfia obtusiflora | hamotandrano, kaboka, kabokala, tambahay, tangenala |
| Ravenala madagascariensis | akondrohazo, antandro, antrandra, bakabia, bemavo, fitroka, fontsimavo, fontsy, hazobaka, hodokembo, honkodambo, honkona, kasaka, lamaka, lovia-ravimpotsy, mahabevola, mahabevolana, mandravalana, ontsy, rapaka, ravimpotsy, ravina, ravinala, voadora |
| Ravenea amara | mafaikely |
| Ravenea glauca | lafa, ravina |
| Ravenea madagascariensis | anivo |
| Ravenea rivularis | akoraka, bakaly, gora, gory, ravina |
| Ravenea robustior var | kona |
| Ravenea robustior var. | kono |
| Ravenea robustior | anivo, bokombio, loharanga, vokabe, vokaky |
| Ravensara acuminata | ravintsara, tavololavaravina, tavolopina, tavolorano |
| Ravensara acutifolia | molaliambo, varongy |
| Ravensara anisata | avozo, havozo |
| Ravensara aromatica | avozo, havozomangidy, havozomanitra, hazomanga, hazomangalahy, hazomanitra, laposinty, ravintsara, tavolomanitra, voaravintsara |
| Ravensara coriacea | tavololahy, tavolomavo, tavolopika, tavolopiky, tavolopina |
| Ravensara crassifolia | tavoloboriravina, tavolomainty, tavolomalama, tavolomena, tavolomenaravina, tavolomolaliambo |
| Ravensara dealbata | moridrano, tavolomenaravina |
| Ravensara elliptica | tavolohetika, tavolopiky |
| Ravensara flavescens | sary, tavololahy, tavolomalama, tavolomavoravina, tavolopina, tavolosavy |
| Ravensara floribunda | maheriampatrana, mampahy, tavolobelelo, tavolomalama, tavolomavo, tavolomenalaingo, tavolopika, tavolopina, tavolosariaka, tavolosavy, tavolovavy |
| Ravensara gracilis | kabijalahy, papy, tavolomena |
| Ravensara impressa | tavoloberavina, tavololavaravina |
| Ravensara laevis | tavolopina, tavolopiñy |
| Ravensara lastellei | hafotrarano, mafotrarano, tavolohazo, tavolomalama, tavolompina, tavolopiana, tavolopina |
| Ravensara oblonga | tavolohazo |
| Ravensara ovalifolia | molaliambo, tavoloazo, tavolohazo, tavolopina |
| Ravensara pauciflora | hazotavolo, tavolomolaliambo, tavolopika |
| Ravensara perareolata | molaliambo, tavoloberavina |
| Ravensara perrieri | kabijalahy, kabitsalahy, kabitso, kabitsolahy, manavodrevo, pelamainty, saripapy, sary, tavaratra, tavolopika, varongy |
| Ravensara pervillei | hazomainty, hazotavolo, tavolohazo, tavololanomby, tavololavaravina, tavololavaridana, tavolomaitso, tavolomalady, tavolomalama, tavolorano |
| Ravensara polyneura | tavolompina, tavolopiana, tavolopika, tavoloravimanga |
| Ravensara retusa | molaliambo, tavolomadinidravina, tavolomavoravina, tavolopika, tavolopina, tavolosary, tavolotitina |
| Ravensara subtriplinervia | hazomanga, tafonona, tavolohazo, tavolomena, tavolosary |
| Reissantia angustipetala | fanolehana |
| Remirea maritima | bararatandriaka |
| Remusatia vivipara | saonjondambo |
| Rhamphicarpa longiflora | angamay |
| Rhaphispermum gerardioides | reniomby, tsiavaramonina |
| Rheedia aphanophlebia | bedity, fantsikatra, fasikahitra |
| Rheedia arenicola | tsimatimanota |
| Rheedia calcicola | letsaky |
| Rheedia excelsa | bongo, mongo |
| Rheedia madagascariensis | bongo, mongo, vavongo, voavongo, vongo, vongolahy |
| Rheedia pedicellata | ditsaky, tsimatimanota |
| Rheedia pervillei | letsaky, tsimatimanota, tsimatomanota |
| Rheedia sp. | vahaso-vory |
| Rheedia thouvenotii | voahandry |
| Rhigozum madagascariense | hazontaha |
| Rhinacanthus osmospermus | ravinalakely, voanalakely |
| Rhipsalis cassytha | ramirondra |
| Rhipsalis horrida | vahilotso |
| Rhizophora mucronata | honko, honkolahy, honkovavy, konko, mikoko, tanga, tangalahy, tangandahy, voandrano |
| Rhodocodon madagascariensis | famonototozy, kilobaloba, sahondra, tapabatana |
| Rhodocodon urgineoides | goake |
| Rhodocolea boivinii | volimpoly |
| Rhodocolea racemosa | hitsikitsika, kitsikitsika, lomontsohy, rehitsika, tsetsefinantsoimenafelana |
| Rhodocolea telfairiae | hazonkitsikitsika, hindramena, hitsika, hitsikitsika, hitsy, kifatatra, kifatra, kitsikitsika, rehitsika |
| Rhodolaena acutifolia | manasavelona, menahihilahy, menahilahy, tsimahamasatsokinafotsy |
| Rhodolaena altivola | forombody, fotona, tafotona, tsimahamasatsokina |
| Rhodolaena bakeriana | anjananjana, arina, forombody, fotoana, fotomadinidravina, fotona, pikazana, tananampotsy, tavaratra |
| Rhodolaena humblotii | fotona, hazomafana, malemisisika, voandrozana |
| Rhodolaena rotundifolia | voantalanina |
| Rhodosepala pauciflora | tamborokisoa |
| Rhopalocarpus alternifolius | andrengitra, hafotrakora, mantaditra |
| Rhopalocarpus binervius | lombiry |
| Rhopalocarpus coriaceus var. | tsivakimbinato |
| Rhopalocarpus coriaceus var. | mantaditra |
| Rhopalocarpus coriaceus | havohaberavina, hazondandy, hazondrigisy, mantaditra, taolandambo, tavia, taviaberavina, taviavavy, tsilavimbinato, tsivakimbinato |
| Rhopalocarpus louvelii var. | havohamadinikaravina |
| Rhopalocarpus louvelii | hafotrakora, havoha, lombiry, montaditra, tavia, tavialahy |
| Rhopalocarpus lucidus | hazondrenetsy, hazondrengetsy, hazondringitra, rengitra, rengitrabe, talafotsy, talafoty, taolafoty |
| Rhopalocarpus macrorhamnifolius | fanondambo, hafotrakora, hafotravoha, ravinaviotra, rengitra, sariringitra, sary, tandria |
| Rhopalocarpus pseudothouarsianus | hafotrakora, mantaditra, tavia |
| Rhopalocarpus similis | hafotrakanga, hazondringitra, hazorengitra, lombirohazo, raingitravavy, rengitra, rengitravavy, sariringitra, taolandambo |
| Rhopalocarpus suarezensis | selivato |
| Rhopalocarpus thouarsianus | hafotrakoraberavina, lombiriberavina |
| Rhopalocarpus triplinervius | manondroala, zambo |
| Rhopalocarpus undulatus | andrengitra, lombiroala |
| Rhopalopilia perrieri | malainavotsa, maleny |
| Rhopalopilia umbellulata | arety |
| Rhus perrieri | mabiboberavina |
| Rhus taratana | maharovolona, malemilahy, maroavolona, marovolona |
| Rhus thouarsii | ditiny |
| Rhynchelytrum repens | ahikongona, ahipody, menapaka |
| Rhynchelytrum roseum | ahitsiriry |
| Rhynchosia cyanosperma | hazovongy |
| Rhynchosia trichocephala | vahehataka, vahinataka |
| Rhynchospora aurea | vendrafotsy, venga, vindanamalona |
| Rhynchospora candida | ahipisaka |
| Rhytachne caespitosa | forona, horondrano, kifafadrano, kifafarano, kifoforano |
| Ricinus communis | fampinonoana, kimanga, kinamena, kinana, kinanamena, tanantanamanga, tanatana, tanatanamanga, tanatanamena, tanatanankisoa, tseroka |
| Rinorea angustifolia | azotsibanibany, fotsialina, hazoharaky, hazombalala, hazompasy, hazondamoka, hazondamokana, hazondimohilahy, rondro, sarikofafa, tsilioka, tsinoronoro, voafotsindrano |
| Rinorea arborea f. | hazondimohivavy, tandidiha |
| Rinorea arborea | hafopotsy, voakevo, voaseva |
| Rinorea auriculata | ampoliandrano, kimbanala, lolobemivahariva, sariletsaky |
| Rinorea bullata | hazomamy |
| Rinorea greveana | azompasiantetihy, fopo, hazofasy, hazofolo, hazoharaky, hazompasiantely, hazompasy, hazondemoha, hazondomohina, hazondomohy, hazotsimpidika, limohe, maroampototra, tsatsaky, tsilikantsifaka, tsimpidika, tsivokintsifaka, tsokaomby |
| Rinorea ilicifolia | fitoriala, randropody, reampilahy, reampy, rehampy, sibabe, tsibabena |
| Rinorea longipes | hazompasy |
| Rinorea rubra | maimasela, mainasela |
| Rinorea spinosa | hazombato |
| Rinorea squamosa | dikany, fotsialina, hazondomohina, rengitra, tsibabeny |
| Rinorea urschii | hazodomohina |
| Roccella montagnei | somotsala |
| Rosa chinensis | vonindraozy |
| Rosa sp. | raozy |
| Rottboellia exalta | kalay |
| Roupellina boivinii var. | lalondona, tambio |
| Roupellina boivinii | befe, hiba, kabokala, lalondo, lalondona, lalonta, manida, pepolahy, saritangena |
| Rourea orientalis | fitsongo, kitrongo, kitsongo, kitsongolahy, kotsongo, sifaka, voampika |
| Rourea platysepala | vahijohy, voampika |
| Rubus apetalus | roifotsy, roimainty, roina, voaroimainty, voarointsaka |
| Rubus fruticosus | roimainty |
| Rubus idaeus | voaroimbazaha |
| Rubus myrianthus | roimainty, voaroimainty |
| Rubus pauciflorus | roimainty, voaroimainty, voarointsilo |
| Rubus rosifolius | voarohitsaka, voaroimena, voaroitanala |
| Ruellia ansericollis | tandinditsy |
| Ruellia dequairei | belohalitra |
| Ruelliola grevei | mandavohita |
| Rulingia madagascariensis | hafodambo, hafontradala, hafopotsy, hafotradala, hafotriadala, malamamavo, rambiasa |
| Rumex abyssinicus | fandrabola, hakasimpoaka, kakasimpoaka, kamasina |
| Rumex bequaertii | bolela, fandrabola, lavaravina, losy, tabebaka |
| Rumex crispus | famelomana, fandrabola, lavaravina, lelanakanga, lelanangaka, lelangaka, molotrakanga, tabebaka |
| Rumex nepalensis | lavaravina |
| Russula cyanoxantha | holadronono |
| Russula poissonii | holatsakay |
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