Introduced Plants of the U.S. Click on an accepted name below to view its Plant Profile with all synonyms, distribution map, more information, and web links if available.

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Symbol Scientific Name Common Name NAGR2 Najas graminea Delile ricefield waternymph NAMI Najas minor All. brittle waternymph NAWR Najas wrightiana A. Braun Wright's waternymph NADO Nandina domestica Thunb. sacred bamboo NAAS2 Narcissus assoanus Dufour rushleaf jonquil NABU Narcissus bulbocodium L. petticoat daffodil NAIN Narcissus ×incomparabilis P. Mill. (pro sp.) [poeticus × pseudonarcissus] nonesuch daffodil NAJO Narcissus jonquilla L. jonquil NAME2 Narcissus ×medioluteus P. Mill. (pro sp.) [poeticus × tazetta] primrose peerless NAOD Narcissus ×odorus L. (pro sp.) [jonquilla × pseudonarcissus] Campernelle jonquil NAPA3 Narcissus papyraceus Ker-Gawl. paperwhite narcissus NAPO Narcissus poeticus L. poet's narcissus NAPS Narcissus pseudonarcissus L. daffodil NATA2 Narcissus tazetta L. cream narcissus NAST3 Nardus stricta L. matgrass NACH Nassella chilensis (Trin.) E. Desv. Chilean tussockgrass NAFO3 Nassella formicarum (Delile) Barkworth tropical tussockgrass NANE Nassella neesiana (Trin. & Rupr.) Barkworth Uruguayan tussockgrass NENU2 Nelumbo nucifera Gaertn. sacred lotus NECA7 Neolamarckia cadamba (Roxb.) F. Bosser NENO Neomarica northiana (Schneev.) Sprague North's false flag NEWI2 Neonotonia wightii (Wight & Arn.) Lackey perennial soybean NECA2 Nepeta cataria L. catnip NEGR3 Nepeta grandiflora Bieb. Caucasus catmint NEMU3 Nepeta mussinii Henckel Persian catmint NERA2 Nepeta racemosa Lam. raceme catnip NECO3 Nephrolepis cordifolia (L.) K. Presl narrow swordfern NEFA Nephrolepis falcata (Cav.) C. Christens. fishtail swordfern NELA2 Nephrolepis laurifolia (Christ) Proctor laurel-leaf swordfern NEMU Nephrolepis multiflora (Roxb.) Jarrett ex Morton Asian swordfern NEOL Nerium oleander L. oleander NEPA3 Neslia paniculata (L.) Desv. ballmustard NEAR Neyraudia arundinacea (L.) Henr. Madagascar grass NERE Neyraudia reynaudiana (Kunth) Keng ex A.S. Hitchc. silkreed NIPH Nicandra physalodes (L.) Gaertn. apple of Peru NIAL Nicotiana alata Link & Otto jasmine tobacco NIGL Nicotiana glauca Graham tree tobacco NILO Nicotiana longiflora Cav. longflower tobacco NIPL2 Nicotiana plumbaginifolia Viviani Tex-Mex tobacco NIRU Nicotiana rustica L. Aztec tobacco† NISA Nicotiana ×sanderae hort. ex W. Wats. (pro sp.) [alata × forgetiana] NISU Nicotiana suaveolens Lehm. Australian tobacco NISY Nicotiana sylvestris Speg. & Comes South American tobacco NITA Nicotiana tabacum L. cultivated tobacco NIFR Nierembergia frutescens Durieu tall cupflower NIHI Nierembergia hippomanica Miers dwarf cupflower NIHIC Nierembergia hippomanica Miers var. caerulea (Miers) Millán dwarf cupflower NISC2 Nierembergia scoparia Sendtner broom cupflower NIDA Nigella damascena L. devil in the bush NISA2 Nigella sativa L. black cumin NOST3 Nomaphila stricta (Vahl) Nees NOLU Nonea lutea (Desr.) Reichenb. ex DC. yellow monkswort NORO Nonea rosea (Bieb.) Link rose monkswort NOVE Nonea vesicaria (L.) Reichenb. red monkswort NOBO Nothoscordum borbonicum Kunth fragrant false garlic NOGR3 Nothoscordum gracile (Ait.) Stearn slender false garlic NYCA3 Nymphaea caerulea Savigny Egyptian lotus NYCA2 Nymphaea capensis Thunb. Cape Blue waterlily NYCAZ Nymphaea capensis Thunb. var. zanzibariensis (Caspary) Conard Cape Blue waterlily NYLO Nymphaea lotus L. white Egyptian lotus NYIN Nymphoides indica (L.) Kuntze water snowflake† NYPE Nymphoides peltata (Gmel.) Kuntze yellow floatingheart

† Probably introduced to the U.S.

‡ Some populations in the U.S. are native and others are introduced from other countries

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