| Geographical names | Botanical scientific names | Biblical names | Nicknames | Institution names | 
| Historical names | Zoological scientific names | Fictitious names | Pseudonyms | 
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| Scientific Name | Malagasy Name | 
| Najas australis | ompoadambo | 
| Nasturtium barbaraeoides | anandranombohitra | 
| Nasturtium barbareaefolium | akondrojaza, anafisaka, anambolobotombahiny, anampisaka, ananakondro, anapetaka, tomoa | 
| Nasturtium barbareafolium | akondrojaza | 
| Nasturtium barbareifolium | kimalao, kimalaogasy, napetaka | 
| Nasturtium millefolium | anantsingitakely, tsingita | 
| Nasturtium officinale | anandrano | 
| Nastus madagascariensis | vahimbolotsangana, voloandoitra | 
| Nauclea cuspidata | molompangady, molopangady, valimpangady, voamalompangady | 
| Nelsonia campestris | manimboalavo, motomato | 
| Nematostylis loranthoides | anamalaza | 
| Neobeguea ankaranensis | gavoala | 
| Neobeguea mahafaliensis | hazolava | 
| Neobeguea mahafaliensis | andipasy, andy, bemahova, handy | 
| Neodunnia sp. | anakaraka | 
| Neodypsis baronii | farihazo | 
| Neodypsis basilongus | madiovozona | 
| Neodypsis canaliculatus | lapaka, lopaka | 
| Neodypsis decaryi | lafa | 
| Neodypsis gracilis | fitsirika | 
| Neodypsis lastelliana | menavozona | 
| Neodypsis ligulatus | kindro | 
| Neodypsis lobatus | hovaka, hovatra | 
| Neodypsis tanalensis | lafa, lafitra, matitanana | 
| Neodypsis tsaratananensis | kindro | 
| Neoharmsia madagascariensis | voandroza | 
| Neohumbertiella decaryi | fandravolafotsy, seta | 
| Neonauclea macrostipula | molopangady | 
| Neophloga bernieriana | ambosa, tsikaramboalavo | 
| Neophloga catatiana | tsikaramboalavo | 
| Neophloga concinna | tsiriboalavo | 
| Neophloga lanceolata | tsiriboalavo | 
| Neophloga littoralis | dabo | 
| Neophloga mananjarensis | ambolo, daronambolo | 
| Neophloga pervillei | tsikaramboalavo | 
| Neotina coursii | ditimena, ramaindafa, ramaindafy | 
| Neotina isoneura | aokalahy, fangadiravina, felaborona, felamborona, hazombato, lanary, manavodrevo, odifo, ramamelana, sañira, tsietilalana, vantsilambato, voalanara | 
| Nepenthes madagascariensis | amponga, ampongandrano, ampozandrano, betakotra, kapoaka, kopoka, oramitako, ponga, ravinkapoaka, takotra | 
| Nepenthes masoalensis | tsiveravera | 
| Nephelium lappaceum | letitsiavoloina, voakavandra | 
| Nephelium litchi | lotisia | 
| Nephelium litchi | laotisy, latasoavalỳ, letisia | 
| Nephrolepis cordifolia | sofimbato | 
| Nephrolepis tuberosa | kivainga | 
| Neptunia prostrata | anatsiriry, famonoantara | 
| Nervilia affinis | tsingolo | 
| Nesaea triflora | ananavola, kalebanda | 
| Nesogordonia bernieri | afotrakora, famatsilakana, hafotsankora | 
| Nesogordonia crassipes | afotrakora, fanolindambo, fanovindambo, hafotrakora | 
| Nesogordonia macrophylla | afotrakorafotsy, hafotrakora, hafotrakorafotsy | 
| Nesogordonia normandii | hazomena, hazomenalahy, raifiko | 
| Neuracanthus leandrii | soasompa | 
| Neyraudia arundinacea | andrasika, fantaka, fatakambe, fatakana, fatakandahy | 
| Nicandra physalodes | boreda, gaboroda, tsipoapoabazaha, tsipokipoky, tsipopoky, tsitsipoky | 
| Nicolsonia barbata | aikaomby, tranontantely, vavonikena, voahena, voakena, vonjy | 
| Nicotiana tabacum | bekira, dary, dobibika, dolibika, dorindobaka, fitsako, hitsiky, lobaka, maimbobe, parakigasy, paraky, sata, tambako, tobaka, tombako, tsisata, tsitata | 
| Noronhia ambrensis | tsilaitralahy | 
| Noronhia boivinii | tsilaitrahazo, tsilaitrazo | 
| Noronhia buxifolia var. | retaola | 
| Noronhia buxifolia | tsilaity, tsiletry | 
| Noronhia crassiramosa | laitrahazo | 
| Noronhia cruciata | tsimorika | 
| Noronhia emarginata var. | letrahazo, tsivakihoditra | 
| Noronhia emarginata var. | tsivakoditra | 
| Noronhia emarginata | laitrahazo, tsivakoditra | 
| Noronhia introversa | laitrahazo | 
| Noronhia lanceolata | kidiravy, mantsakafotsy, masaka | 
| Noronhia linocerioides | tsivakoditra | 
| Noronhia longipedicellata | tsiletry | 
| Noronhia louvelii | laitrahazo, letrahazo | 
| Noronhia myrtoides | andritsilaitsy, mahasabavy, masabavy, tsilaitsy, tsivakintsifaka, tsivakontsifaka | 
| Noronhia seyrigii | mantsakamainty, masadahy, masaky, tsilaitsy | 
| Noronhia sp. | mera, voñinandrisiky | 
| Noronhia sp | relambo | 
| Nuxia ambrensis | valanira | 
| Nuxia capitata | lambinanalahy, valanira | 
| Nuxia coriacea | lambinana | 
| Nuxia involucrata | valanira | 
| Nuxia oppositifolia | lambinana, valanira | 
| Nuxia sphaerocephala | lambinana, valanira | 
| Nuxia subcoriacea | lambinana | 
| Nuxia terminalioides | lambinana | 
| Nuxia verticillata | lambinana, lambinanavavy, valanira | 
| Nymphaea lotus | agoagaga, agoagamakomby, lazilazy, makamby, tamotamokirana, tatamokirana | 
| Nymphaea stellata | agoagoa, betsimihilana, betsimilina, betsimirana, fantamo, hatrevo, kapaika, kibo, kitatamoka, lazilazy, lefoka, talefaka, tamotamo, tantama, tantano, tatamoka, tsiazonafo, voahirana, voalefoka, vonintatamo | 
| Nymphoides bosseri | tatamontoloho, voalefokalika, voalefokamboa | 
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