| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| NAJA2 | Navarretia jaredii Eastw. | mitrefruit pincushionplant | Polemoniaceae
|
| NAJE | Navarretia jepsonii V. Bailey ex Jepson | Jepson's pincushionplant | Polemoniaceae
|
| NALEB | Navarretia leucocephala Benth. ssp. bakeri (Mason) Day | Baker's navarretia | Polemoniaceae
|
| NALEL | Navarretia leucocephala Benth. ssp. leucocephala | whitehead navarretia | Polemoniaceae
|
| NALEM | Navarretia leucocephala Benth. ssp. minima (Nutt.) Day | least navarretia | Polemoniaceae
|
| NALEP | Navarretia leucocephala Benth. ssp. pauciflora (Mason) Day | fewflower navarretia | Polemoniaceae
|
| NALEP2 | Navarretia leucocephala Benth. ssp. plieantha (Mason) Day | manyflowered navarretia | Polemoniaceae
|
| NALE | Navarretia leucocephala Benth. | whitehead navarretia | Polemoniaceae
|
| NAME | Navarretia mellita Greene | honeyscented pincushionplant | Polemoniaceae
|
| NAMII | Navarretia minima Nutt. var. intertexta (Benth.) Boivin | Navarretia intertexta ssp. intertexta | Polemoniaceae
|
| NAMI3 | Navarretia minima Nutt. | Navarretia leucocephala ssp. minima | Polemoniaceae
|
| NAMIJ | Navarretia mitracarpa Greene ssp. jaredii (Eastw.) Mason | Navarretia jaredii | Polemoniaceae
|
| NAMI5 | Navarretia mitracarpa Greene | Navarretia pubescens | Polemoniaceae
|
| NAMI4 | Navarretia mitracarpa auct. non Greene | Navarretia jaredii | Polemoniaceae
|
| NAMYD | Navarretia myersii Allen & Day ssp. deminuta Day | Myers' pincushionplant | Polemoniaceae
|
| NAMYM | Navarretia myersii Allen & Day ssp. myersii | Myers' pincushionplant | Polemoniaceae
|
| NAMY | Navarretia myersii Allen & Day | Myers' pincushionplant | Polemoniaceae
|
| NANIN | Navarretia nigelliformis Greene ssp. nigelliformis | adobe navarretia | Polemoniaceae
|
| NANIR | Navarretia nigelliformis Greene ssp. radians (J.T. Howell) Day | adobe navarretia | Polemoniaceae
|
| NANIR2 | Navarretia nigelliformis Greene var. radians J.T. Howell | Navarretia nigelliformis ssp. radians | Polemoniaceae
|
| NANI | Navarretia nigelliformis Greene | adobe navarretia | Polemoniaceae
|
| NAPA2 | Navarretia pauciflora Mason | Navarretia leucocephala ssp. pauciflora | Polemoniaceae
|
| NAPE | Navarretia peninsularis Greene | Baja pincushionplant | Polemoniaceae
|
| NAPL | Navarretia plieantha Mason | Navarretia leucocephala ssp. plieantha | Polemoniaceae
|
| NAPRL | Navarretia prolifera Greene ssp. lutea (Brand) Mason | burr pincushionplant | Polemoniaceae
|
| NAPRP | Navarretia prolifera Greene ssp. prolifera | burr pincushionplant | Polemoniaceae
|
| NAPRL2 | Navarretia prolifera Greene var. lutea Brand | Navarretia prolifera ssp. lutea | Polemoniaceae
|
| NAPR | Navarretia prolifera Greene | burr pincushionplant | Polemoniaceae
|
| NAPR3 | Navarretia propinqua Suksdorf | Navarretia intertexta ssp. propinqua | Polemoniaceae
|
| NAPR2 | Navarretia prostrata (Gray) Greene | prostrate pincushionplant | Polemoniaceae
|
| NAPU2 | Navarretia pubescens (Benth.) Hook. & Arn. | downy pincushionplant | Polemoniaceae
|
| NARO2 | Navarretia rosulata Brand | San Anselmo navarretia | Polemoniaceae
|
| NASC | Navarretia schottii Torr. | Loeseliastrum schottii | Polemoniaceae
|
| NASE2 | Navarretia setiloba Coville | Paiute Mountain pincushionplant | Polemoniaceae
|
| NASQ | Navarretia squarrosa (Eschsch.) Hook. & Arn. | skunkbush | Polemoniaceae
|
| NASU | Navarretia subuligera Greene | awl-leaf pincushionplant | Polemoniaceae
|
| NATA3 | Navarretia tagetina Greene | marigold pincushionplant | Polemoniaceae
|
| NAVIP | Navarretia viscidula Benth. ssp. purpurea (Greene) Mason | sticky pincushionplant | Polemoniaceae
|
| NAVIV | Navarretia viscidula Benth. ssp. viscidula | sticky pincushionplant | Polemoniaceae
|
| NAVI | Navarretia viscidula Benth. | sticky pincushionplant | Polemoniaceae
|
| NAVAR | Navarretia Ruiz & Pav�n | pincushionplant | Polemoniaceae
|
| NAAL | Nazia aliena auct. non (Spreng.) Scribn. | Tragus berteronianus | Poaceae
|
| NARA | Nazia racemosa (L.) Kuntze | Tragus racemosus | Poaceae
|
| NEAL2 | Nechamandra alternifolia (Roxb.) Thw. | nechamandra | Hydrocharitaceae
|
| NECHA | Nechamandra Planch. | nechamandra | Hydrocharitaceae
|
| NECO8 | Neckera complanata (Hedw.) H�b. | neckera moss | Neckeraceae
|
| NEDI3 | Neckera disticha Hedw. | Neckeropsis disticha | Neckeraceae
|
| NEDO70 | Neckera douglasii Hook. | Douglas' neckera moss | Neckeraceae
|
| NEGR5 | Neckera gracilis (James in Peck) Kindb. | Homalia trichomanoides | Neckeraceae
|
| NEMEA4 | Neckera menziesii Hook. in Drumm. var. amblyclada Kindb. in Mac. & Kindb. | Metaneckera menziesii | Neckeraceae
|
| NEME2 | Neckera menziesii Hook. in Drumm. | Metaneckera menziesii | Neckeraceae
|
| NENE4 | Neckera neomexicana (Card.) Grout | Metaneckera menziesii | Neckeraceae
|
| NEOL3 | Neckera oligocarpa Bruch in �ngstr. | Neckera pennata | Neckeraceae
|
| NEPEO | Neckera pennata Hedw. var. oligocarpa (Bruch in �ngstr.) C. M�ll. | Neckera pennata | Neckeraceae
|
| NEPET2 | Neckera pennata Hedw. var. tenera C. M�ll. | Neckera pennata | Neckeraceae
|
| NEPE4 | Neckera pennata Hedw. | neckera moss | Neckeraceae
|
| NEUN3 | Neckera undulata Hedw. | Neckeropsis undulata | Neckeraceae
|
| NECKE2 | Neckera Hedw. | neckera moss | Neckeraceae
|
| NEME6 | Neckeradelphus menziesii (Hook. in Drumm.) Steere | Metaneckera menziesii | Neckeraceae
|
| NEDI2 | Neckeropsis disticha (Hedw.) Kindb. | neckeropsis moss | Neckeraceae
|
| NEUN2 | Neckeropsis undulata (Hedw.) Reichardt | undulate neckeropsis moss | Neckeraceae
|
| NECKE3 | Neckeropsis Reichardt | neckeropsis moss | Neckeraceae
|
| NEAN2 | Nectandra antillana Meisn. | Nectandra hihua | Lauraceae
|
| NECO | Nectandra coriacea (Sw.) Griseb. | lancewood | Lauraceae
|
| NEHI2 | Nectandra hihua (Ruiz & Pav�n) Rohwer | shinglewood | Lauraceae
|
| NEKR | Nectandra krugii Mez | Krug's sweetwood | Lauraceae
|
| NEME3 | Nectandra membranacea (Sw.) Griseb. | sweetwood | Lauraceae
|
| NEPA4 | Nectandra patens (Sw.) Griseb. | capberry | Lauraceae
|
| NESI2 | Nectandra sintenisii Mez | Nectandra turbacensis | Lauraceae
|
| NETU | Nectandra turbacensis (Kunth) Nees | laurel amarillo | Lauraceae
|
| NECTA2 | Nectandra Roland. ex Rottb. | sweetwood | Lauraceae
|
| NEFO | Nectouxia formosa Kunth | Transpecos stinkleaf | Solanaceae
|
| NECTO | Nectouxia Kunth | nectouxia | Solanaceae
|
| NELE2 | Nectria lecanodes Cesati | | Hypocreaceae
|
| NEPA6 | Nectria parmeliae (Berk. & Curt.) D. Hawskw. | | Hypocreaceae
|
| NERU2 | Nectria rubifaciens Ellis & Everh. | | Hypocreaceae
|
| NEZO | Nectria zonata Seaver | | Hypocreaceae
|
| NECTR | Nectria Fr. | nectria | Hypocreaceae
|
| NEAN3 | Nectriella anisospora Lowen | Pronectria anisospora | Hypocreaceae
|
| NEBU | Neea buxifolia (Hook. f.) Heimerl | saltwood | Nyctaginaceae
|
| NEEA | Neea Ruiz & Pav�n | saltwood | Nyctaginaceae
|
| NERE3 | Neeragrostis reptans (Michx.) Nicora | creeping lovegrass | Poaceae
|
| NEERA2 | Neeragrostis Bush | creeping lovegrass | Poaceae
|
| NEACI | Negundo aceroides (L.) Moench ssp. interius (Britt.) A.& D. L�ve | Acer negundo var. interius | Aceraceae
|
| NEACV | Negundo aceroides (L.) Moench ssp. violaceum (Kirchn.) W.A. Weber | Acer negundo var. violaceum | Aceraceae
|
| NEAC | Negundo aceroides (L.) Moench | Acer negundo var. negundo | Aceraceae
|
| NECA6 | Negundo californicum Torr. & Gray | Acer negundo var. californicum | Aceraceae
|
| NEIN3 | Negundo interius (Britt.) Rydb. | Acer negundo var. interius | Aceraceae
|
| NENE | Negundo negundo (L.) Karst. | Acer negundo var. negundo | Aceraceae
|
| NEBR2 | Nelsonia brunelloides (Lam.) Kuntze | Nelsonia canescens | Acanthaceae
|
| NECA4 | Nelsonia canescens (Lam.) Spreng. | blue pussyleaf | Acanthaceae
|
| NELSO | Nelsonia R. Br. | nelsonia | Acanthaceae
|
| NEVE | Neltuma velutina (Woot.) Britt. & Rose | Prosopis velutina | Fabaceae
|
| NELU3 | Nelumbium luteum Willd. | Nelumbo lutea | Nelumbonaceae
|
| NENE3 | Nelumbium nelumbo (L.) Druce | Nelumbo nucifera | Nelumbonaceae
|
| NESP4 | Nelumbium speciosum Willd. | Nelumbo nucifera | Nelumbonaceae
|
| NELU | Nelumbo lutea Willd. | American lotus | Nelumbonaceae
|
| NENU2 | Nelumbo nucifera Gaertn. | sacred lotus | Nelumbonaceae
|
| NEPE3 | Nelumbo pentapetala sensu Fern., non Nymphaea pentaphylla Walt. | Nelumbo lutea | Nelumbonaceae
|
| NESP3 | Nelumbo speciosa Willd. | Nelumbo nucifera | Nelumbonaceae
|
| NELUM | Nelumbo Adans. | lotus | Nelumbonaceae
|