| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| NESP5 | Neohyophila sprengelii (Schwaegr.) Crum | Sprengel's neohyophila moss | Pottiaceae
|
| NEOHY | Neohyophila Crum | neohyophila moss | Pottiaceae
|
| NECA7 | Neolamarckia cadamba (Roxb.) F. Bosser | | Rubiaceae
|
| NEOLA2 | Neolamarckia F. Bosser | neolamarckia | Rubiaceae
|
| NERE2 | Neolaugeria resinosa (Vahl) Nicols. | aquilon | Rubiaceae
|
| NEOLA | Neolaugeria Nicols. | neolaugeria | Rubiaceae
|
| NEDI | Neolehmannia difformis auct. non (Jacq.) Pabst | Epidendrum boricuarum | Orchidaceae
|
| NECA5 | Neolepia campestris (L.) W.A. Weber | Lepidium campestre | Brassicaceae
|
| NECO5 | Neolloydia conoidea (DC.) Britt. & Rose | Chihuahuan beehive | Cactaceae
|
| NEERA | Neolloydia erectocentra (Coult.) L. Benson var. acunensis (W.T. Marsh.) L. Benson | Sclerocactus erectocentrus | Cactaceae
|
| NEER | Neolloydia erectocentra (Coult.) L. Benson | Sclerocactus erectocentrus | Cactaceae
|
| NEGA2 | Neolloydia gautii L. Benson | Turbinicarpus gautii | Cactaceae
|
| NEIND | Neolloydia intertexta (Engelm.) L. Benson var. dasyacantha (Engelm.) L. Benson | Sclerocactus intertextus var. dasyacanthus | Cactaceae
|
| NEIN2 | Neolloydia intertexta (Engelm.) L. Benson | Sclerocactus intertextus var. intertextus | Cactaceae
|
| NEJOL | Neolloydia johnsonii (Parry ex Engelm.) L. Benson var. lutescens (Parish) W.T. Marsh. ex R.G. Engard | Sclerocactus johnsonii | Cactaceae
|
| NEJO | Neolloydia johnsonii (Parry ex Engelm.) L. Benson | Sclerocactus johnsonii | Cactaceae
|
| NEMA2 | Neolloydia mariposensis (Hester) L. Benson | Sclerocactus mariposensis | Cactaceae
|
| NEWA | Neolloydia warnockii L. Benson | Sclerocactus warnockii | Cactaceae
|
| NEOLL | Neolloydia Britt. & Rose | neolloydia | Cactaceae
|
| NENI3 | Neomacounia nitida (Lindb.) Irel. | neomacounia moss | Neckeraceae
|
| NEOMA2 | Neomacounia Irel. | neomacounia moss | Neckeraceae
|
| NENI | Neomammillaria nivosa (Link ex N.E. Pfeiffer) Britt. & Rose | Mammillaria nivosa | Cactaceae
|
| NESI3 | Neomammillaria similis (Engelm.) Britt. & Rose ex Rydb. | Escobaria missouriensis var. similis | Cactaceae
|
| NEBR5 | Neomarica brachypus (Baker) Sprague | | Iridaceae
|
| NECA8 | Neomarica caerulea (Ker Gawl.) Sprague | | Iridaceae
|
| NENO | Neomarica northiana (Schneev.) Sprague | North's false flag | Iridaceae
|
| NEOMA | Neomarica Sprague | neomarica | Iridaceae
|
| NEFO2 | Neonauclea forsteri Merrill | | Rubiaceae
|
| NEONA | Neonauclea Merr. | | Rubiaceae
|
| NEWIL | Neonotonia wightii (Wight & Arn.) Lackey var. longicauda (Schweinf.) Lackey | Wight's neonotonia | Fabaceae
|
| NEWIM | Neonotonia wightii (Wight & Arn.) Lackey var. mearnsii (De Wild.) Lackey | Mearns' neonotonia | Fabaceae
|
| NEWIW | Neonotonia wightii (Wight & Arn.) Lackey var. wightii | Wight's neonotonia | Fabaceae
|
| NEWI2 | Neonotonia wightii (Wight & Arn.) Lackey | perennial soybean | Fabaceae
|
| NEONO | Neonotonia Lackey | neonotonia | Fabaceae
|
| NELI2 | Neoparrya lithophila Mathias | Bill's neoparrya | Apiaceae
|
| NEME4 | Neoparrya megarrhiza (A. Nels.) W.A. Weber | Lomatium nuttallii | Apiaceae
|
| NEOPA | Neoparrya Mathias | neoparrya | Apiaceae
|
| NEMA4 | Neopieris mariana (L.) Britt. | Lyonia mariana | Ericaceae
|
| NENI2 | Neopieris nitida (Bartr. ex Marsh.) Britt. | Lyonia lucida | Ericaceae
|
| NEORE | Neoregelia L.B. Sm. | neoregelia | Bromeliaceae
|
| NEVO | Neorudolphia volubilis (Willd.) Britt. | bejuco de alambre | Fabaceae
|
| NEORU | Neorudolphia Britt. | neorudolphia | Fabaceae
|
| NECO2 | Neostapfia colusana (Burtt-Davy) Burtt-Davy | Colusagrass | Poaceae
|
| NEOST | Neostapfia Burtt-Davy | Colusagrass | Poaceae
|
| NEMA3 | Neovriesia macrostachya (Bello) Britt. | Vriesea macrostachya | Bromeliaceae
|
| NEFI2 | Neowashingtonia filamentosa (Fenzi) Sudworth | Washingtonia filifera | Arecaceae
|
| NEPH2 | Neowawraea phyllanthoides Rock | Flueggea neowawraea | Euphorbiaceae
|
| NEMI5 | Nepenthes mirabilis Druce | | Nepenthaceae
|
| NEPEN | Nepenthes L. | | Nepenthaceae
|
| NECA2 | Nepeta cataria L. | catnip | Lamiaceae
|
| NEGR3 | Nepeta grandiflora Bieb. | Caucasus catmint | Lamiaceae
|
| NEHE2 | Nepeta hederacea (L.) Trevisan | Glechoma hederacea | Lamiaceae
|
| NEMU3 | Nepeta mussinii Henckel | Persian catmint | Lamiaceae
|
| NERA2 | Nepeta racemosa Lam. | raceme catnip | Lamiaceae
|
| NEPET | Nepeta L. | catnip | Lamiaceae
|
| NEPO2 | Nephelea portoricensis (Spreng. ex Kuhn) R. Tryon | Alsophila portoricensis | Cyatheaceae
|
| NELA7 | Nephelium lappaceum L. | rambutan | Sapindaceae
|
| NELI3 | Nephelium litchi Cambess. | Litchi chinensis | Sapindaceae
|
| NEMU5 | Nephelium mutabile Blume | pulasan | Sapindaceae
|
| NEPHE2 | Nephelium L. | nephelium | Sapindaceae
|
| NEFU | Nephrodium funestum (Kunze) Hook. | Triplophyllum funestum | Dryopteridaceae
|
| NEAV | Nephrolepis �averyi C.E. Nauman | | Dryopteridaceae
|
| NEBIF | Nephrolepis biserrata (Sw.) Schott var. furcans hort. ex Bailey | Nephrolepis falcata | Dryopteridaceae
|
| NEBI | Nephrolepis biserrata (Sw.) Schott | giant swordfern | Dryopteridaceae
|
| NECO3 | Nephrolepis cordifolia (L.) K. Presl | narrow swordfern | Dryopteridaceae
|
| NEEX | Nephrolepis exaltata (L.) Schott | Boston swordfern | Dryopteridaceae
|
| NEFA | Nephrolepis falcata (Cav.) C. Christens. | fishtail swordfern | Dryopteridaceae
|
| NEHI | Nephrolepis hirsutula (J.R. Forst.) K. Presl | scaly swordfern | Dryopteridaceae
|
| NELA2 | Nephrolepis laurifolia (Christ) Proctor | laurel-leaf swordfern | Dryopteridaceae
|
| NEMU | Nephrolepis multiflora (Roxb.) Jarrett ex Morton | Asian swordfern | Dryopteridaceae
|
| NEOC | Nephrolepis occidentalis Kunze | Nephrolepis undulata | Dryopteridaceae
|
| NERI2 | Nephrolepis rivularis (Vahl) Mett. ex Krug | streamside swordfern | Dryopteridaceae
|
| NEUN | Nephrolepis undulata (Afzelius ex Sw.) J. Sm. | annual swordfern | Dryopteridaceae
|
| NEPHR | Nephrolepis Schott | swordfern | Dryopteridaceae
|
| NEAR60 | Nephroma arcticum (L.) Torss. | arctic kidney lichen | Nephromataceae
|
| NEBE60 | Nephroma bellum (Sprengel) Tuck. | kidney lichen | Nephromataceae
|
| NEEX2 | Nephroma expallidum (Nyl.) Nyl. | kidney lichen | Nephromataceae
|
| NEHEH | Nephroma helveticum Ach. ssp. helveticum | Swiss kidney lichen | Nephromataceae
|
| NEHES | Nephroma helveticum Ach. ssp. sipeanum (Gyelnik) Goward & Ahti | Sipe's kidney lichen | Nephromataceae
|
| NEHES2 | Nephroma helveticum Ach. var. sipeanum (Gyelnik) Wetmore | Nephroma helveticum ssp. sipeanum | Nephromataceae
|
| NEHE4 | Nephroma helveticum Ach. | Swiss kidney lichen | Nephromataceae
|
| NEIS60 | Nephroma isidiosum (Nyl.) Gyelnik | kidney lichen | Nephromataceae
|
| NELA3 | Nephroma laevigatum Ach. | kidney lichen | Nephromataceae
|
| NELA5 | Nephroma laevigatum auct. | Nephroma bellum | Nephromataceae
|
| NELU4 | Nephroma lusitanicum Schaerer | Nephroma laevigatum | Nephromataceae
|
| NEOC3 | Nephroma occultum Wetmore | kidney lichen | Nephromataceae
|
| NEPA60 | Nephroma parile (Ach.) Ach. | kidney lichen | Nephromataceae
|
| NERE60 | Nephroma resupinatum (L.) Ach. | kidney lichen | Nephromataceae
|
| NESI4 | Nephroma silvae-veteris Goward & Goffinet | kidney lichen | Nephromataceae
|
| NESU2 | Nephroma subtomentellum (Nyl.) Gyelnik | Nephroma bellum | Nephromataceae
|
| NEPHR3 | Nephroma Ach. | kidney lichen | Nephromataceae
|
| NEPR | Nephropetalum pringlei Robins. & Greenm. | Ayenia limitaris | Sterculiaceae
|
| NECR2 | Nephrophyllidium crista-galli (Menzies ex Hook.) Gilg | deercabbage | Menyanthaceae
|
| NEPHR4 | Nephrophyllidium Gilg | deercabbage | Menyanthaceae
|
| NEAQ | Nepsera aquatica (Aubl.) Naud. | altea | Melastomataceae
|
| NEPSE | Nepsera Naud. | nepsera | Melastomataceae
|
| NEFL2 | Neptunia floridana Small | Neptunia pubescens var. pubescens | Fabaceae
|
| NELUM2 | Neptunia lutea (Leavenworth) Benth. var. multipinnatifida B.L. Turner | Neptunia lutea | Fabaceae
|
| NELU2 | Neptunia lutea (Leavenworth) Benth. | yellow puff | Fabaceae
|
| NEOL2 | Neptunia oleracea Lour. | Neptunia prostrata | Fabaceae
|
| NEPA5 | Neptunia palmeri Britt. & Rose | Neptunia pubescens var. microcarpa | Fabaceae
|