.
| Genus | |
|---|---|
|   | Nabalu S.Y.Wong & P.C.Boyce | 
|  | Nabalus Cass. | 
| Namaquanthus L.Bolus | |
| Namibia (Schwantes) Schwantes | |
| Nananthus N.E.Br | |
| Nanuza L.B.Sm. & Ayensu | |
|   | Napoleonaea P.Beauv. | 
|   | Narcissus L. | 
|   | Narthecium Huds. | 
|   | Nasa Weigend | 
|   | Nassauvia Comm. ex Juss. | 
|  | Nastanthus Meyen | 
|   | Nauclea L. | 
|   | Navarretia Ruiz & Pav. | 
| Navia Schult. & Schult.f. in J.J.Roemer & J.A.Schultes | |
| Neja D.Don | |
| Nekemias Raf. | |
|  | Nelia Schwantes | 
| Nelsonia R.Br. | |
|   | Nemacladus Nutt. | 
|   | Nemastylis Nutt. | 
|  | Nematanthus Schrad. | 
|   | Nemophila Nutt. ex Barton | 
| Nemosenecio (Kitam.) B.Nord. | |
|   | Neoastelia J.B.Williams | 
| Neobuxbaumia Backeb. | |
|   | Neocheiropteris Christ | 
|   | Neogaya Meisn. | 
| Neoglaziovia Mez in C.F.P.von Martius & auct. suc. (eds.) | |
| Neohenricia L.Bolus | |
|   | Neohodgsonia Perss. | 
|   | Neoholmgrenia W.L.Wagner & Hoch | 
|   | Neolepisorus Ching | 
|   | Neolloydia Britton & Rose | 
| Neomezia Votsch | |
|   | Neoparrya Mathias | 
| Neoraimondia Britton & Rose | |
|   | Neoregelia L.B.Sm. | 
| Neorites L.S.Sm. | |
|   | Neowerdermannia Fric | 
|  | Nepenthes L. | 
|   | Nepeta L. | 
|   | Nephelium L. | 
|   | Nerine Herb. | 
|   | Nerium L. | 
|   | Nesocodon Thulin | 
| Neuropeltis Wall. | |
|   | Neustanthus Benth. | 
|   | Nicandra Adans. | 
|   | Nicotiana L. | 
|   | Nidularium Lem. | 
| Niduregelia Leme | |
|   | Nierembergia Nierembergia Ruiz & Pav. | 
|   | Nigella L. | 
|   | Niphidium J.Sm. | 
|   | Nivenia Vent. | 
|   | Noccaea Moench | 
|   | Nolana L. | 
| Nolina Michx. | |
|   | Nonea Medik. | 
|   | Nopalea Salm-Dyck | 
|   | Notholirion Wall. ex Boiss. | 
| Nothorites P.H.Weston & A.R.Mast | |
| Nothotsuga H.H.Hu ex C.N.Page | |
|   | Notobubon B.-E.van Wyk | 
| Notocacteae Speg. | |
|   | Nototriche Turcz. | 
|   | Nuphar Sm. | 
|   | Nuytsia R.Br. ex G.Don | 
|   | Nymphaea L. | 
|   | Nymphoides Ség. | 
|   | Nypa Steck |