Atlas of the Flora of New England

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Genera - N

Nabalus
Najas
Napaea
Narcissus
Nardus
Nasturtium
Naumbergia (see Lysimachia)
Navarretia
Nelumbo
Nemopanthus (see Ilex)
Neobeckia (see Rorippa)
Neotorularia (see Braya)
Neottia
Nepeta
Neslia
Nicandra
Nicotiana
Nigella
Nipponanthemum
Nonea
Nuphar
Nuttallanthus
Nymphaea
Nymphoides
Nyssa


NABALUS (Family: Asteraceae)


Nabalus albus (Linnaeus) Hooker - White Lettuce. 2n = 32.


Rich woods, thickets, mostly moist. [Prenanthes alba Linnaeus]


Nabalus altissimus (Linnaeus) Hooker - 2n = 16.


Rich, moist woods, shaded roadsides. [Prenanthes altissima Linnaeus]


Nabalus boottii de Candolle - Alpine Rattlesnake-root. 2n = 32.


Alpine areas. [Prenanthes boottii (de Candolle) D. Dietrich]


Nabalus racemosus (Michaux) Hooker - Glaucous White Lettuce. 2n = 16.


River shores. [Prenanthes racemosa Michaux]


Nabalus serpentarius (Pursh) Hooker - Cankerweed. 2n = 16.


Dry, open woods, clearings, woodland borders. [Prenanthes serpentaria Pursh]


Nabalus trifoliolatus Cassini - 2n = 16.


Open woods, thickets, clearings. [N. trifoliatus var. nanus (Bigelow) Weakley; Prenanthes trifoliolata (Cassini) Fernald; P. trifoliolata var. nana (Bigelow) Fernald]


Nabalus hybrid

Nabalus X mainensis (A. Gray) Heller (pro species) - .


[N. racemosus (Michaux) Hooker X N. trifoliolatus Cassini; Prenanthes X mainensis A. Gray]



NAJAS (Family: Hydrocharitaceae)


Najas flexilis (Willdenow) Rostkovius & W.L.E. Schmidt - Northern Water-nymph. 2n = 24.


Quiet, shallow water of ponds and streams, usually rooting in mud.


Najas gracillima (A. Braun ex Engelmann) Magnus - . 2n = 12.


Muddy, sandy or sphagnous ponds and shores.


Najas guadalupensis (Sprengel) Magnus subsp. guadalupensis - Southern Water-nymph. 2n = 24.


Ponds and streams.


Najas guadalupensis (Sprengel) Magnus subsp. olivacea (Rosendahl & Butters) R.R. Haynes & Hellquist - . 2n = ?.


Habitat? [N. olivacea Rosendahl & Butters]


NAJAS MINOR Allioni - . 2n = (12), 24, (46), (56).


Quiet, basic water of lakes and streams. From the Old World.



NAPAEA (Family: Malvaceae)


NAPAEA DIOICA Linnaeus - Glade-mallow. 2n = ca. 30.


Roadsides, railroads. From farther west and south.



NARCISSUS (Family: Amaryllidaceae)


NARCISSUS POETICUS Linnaeus - Poet's Narcissus. 2n = 14, (21).


Fields, moist meadows. From Europe.


NARCISSUS PSEUDONARCISSUS Linnaeus - Daffodil. 2n = 14, 14 + (1-2)B, 21 + (0-1)B, 28, (29), (42), (43).


Fields, open groves, moist meadows. From Europe.



NARDUS (Family: Poaceae)


NARDUS STRICTA Linnaeus - Moor Matgrass. 2n = (24), 26.


Old fields, grassy riverbanks. From Europe.



NASTURTIUM (Family: Brassicaceae)


NASTURTIUM MICROPHYLLUM Boenninghausen ex Reichenbach - . 2n = 64.


Brooks. From Europe. [N. OFFICINALE W.T. Aiton var. MICROPHYLLUM (Boenninghausen ex Reichenbach) Beck ex Thellung; RORIPPA MICROPHYLLA (Boenninghausen ex Reichenbach) Hylander ex Á. Löve & D. Löve]


NASTURTIUM OFFICINALE W.T. Aiton - True Water-cress. 2n = 32.


Brooks, ditches, springheads. From Eurasia, northern Africa. [N. OFFICINALE var. SIIFOLIUM Reiche; RORIPPA NASTURTIUM-AQUATICUM (Linnaeus) Hayek]


Nasturtium hybrid

NASTURTIUM X STERILE (Airy Shaw) Oefelein - .


[N. MICROPHYLLUM Boenninghausen ex Reichenbach X N. OFFICINALE W.T. Aiton; RORIPPA X STERILIS Airy Shaw]




NAVARRETIA LEUCOCEPHALA Bentham subsp. MINIMA (Nuttall) A.G. Day - . 2n = 18.


Wool waste. From western United States.



NELUMBO (Family: Nelumbonaceae)


Nelumbo lutea Willdenow - American Lotus. 2n = 16.


Ponds, quiet streams.



NEOTTIA (Family: Orchidaceae)


Neottia auriculata (Wiegand) Szlachetko - Auricled Twayblade. 2n = ?.


Moist woods and thickets. [Listera auriculata Wiegand]


Neottia bifolia (Rafinesque) Baumbach - Southern Twayblade. 2n = ?.


Sphagnous thickets and bogs. [Listera australis Lindley]


Neottia convallarioides (Swartz) Richard - Broad-lipped Twayblade. 2n = 36.


Wet or swampy woods, often with Thuja, shores. [Listera convallarioides (Swartz) Elliott]


Neottia cordata (Linnaeus) Richard - Heartleaf Twayblade. 2n = 34 + (0 - 4)B, 38, 39-42, (44).


Mossy knolls in wet woods. [Listera cordata (Linnaeus) R. Brown]

Neottia hybrid

Neottia X veltmanii (Case) Baumbach - .


[N. auriculata (Wiegand) Szlachetko X N. convallarioides (Swartz) Richard; Listera X veltmanii Case]



NEPETA (Family: Lamiaceae)


NEPETA CATARIA Linnaeus - Catnip. 2n = 34, 36.


Fields, waste places, roadsides, deciduous woodlands. From Eurasia.



NESLIA (Family: Brassicaceae)


NESLIA PANICULATA (Linnaeus) Desvaux - Ball-mustard. 2n = 14, 28.


Railroads, waste places, fields, roadsides. From Eurasia, northern Africa.



NICANDRA (Family: Solanaceae)


NICANDRA PHYSALODES (Linnaeus) Gaertner - Apple-of-Peru. 2n = 20.


Waste places, roadsides. From Peru.



NICOTIANA (Family: Solanaceae)


NICOTIANA ALATA Link & Otto - Jasmine Tobacco. 2n = 18.


Waste places, roadsides. From South America. [N. AFFINIS T. Moore]


NICOTIANA LANGSDORFII Weinmann - . 2n = 18, 36.


Waste places. From South America.


NICOTIANA LONGIFLORA Cavanilles - . 2n = 20.


Waste places. From South America.


NICOTIANA QUADRIVALVIS Pursh - . 2n = 48.


Wool waste. From farther west. [N. QUADRIVALVIS var. BIGELOVII (Torrey) DeWolf]


NICOTIANA RUSTICA Linnaeus - Aztec Tobacco. 2n = 48.


Fields, roadsides, waste places. From western South America.


NICOTIANA TABACUM Linnaeus - Common Tobacco. 2n = 24, 48.


Fields, waste places. From tropical America.



NIGELLA (Family: Ranunculaceae)


NIGELLA DAMASCENA Linnaeus - Love-in-a-mist. 2n = 12, (14).


Waste ground. From Eurasia.



NIPPONANTHEMUM (Family: Asteraceae)


NIPPONANTHEMUM NIPPONICUM (Franchet ex Maximowicz) Kitamura - Montauk Daisy. 2n = 18.


Beaches. From Japan. [CHRYSANTHEMUM NIPPONICUM (Franchet ex Maximowicz) Sprenger]



NONEA (Family: Boraginaceae)


NONEA ROSEA (M. von Bieberstein) Link - . 2n = ?


Waste places. From southeastern Europe.



NUPHAR (Family: Nymphaeaceae)


Nuphar advena (Aiton) W.T. Aiton subsp. advena - Southern Yellow Pond-lily. 2n = 34.


Quiet water of streams, ponds and lakes. [N. lutea (Linnaeus) Smith subsp. advena (Aiton) Kartesz & Gandhi]


Nuphar microphylla (Persoon) Fernald - Small Yellow Pond-lily. 2n = 34.


Quiet water of streams, ponds and lakes. [N. lutea (Linnaeus) Smith subsp. pumila (Timm) E.O. Beal]


Nuphar variegata Engelmann ex Durand - Bullhead-lily. 2n = 34.


Ponds and quiet water of streams. [N. lutea (Linnaeus) Smith subsp. variegata (Engelmann ex Durand) E.O. Beal]


Nuphar hybrid

Nuphar X rubrodisca Morong - .


[N. microphylla (Persoon) Fernald X N. variegata Engelmann ex Durand; N. lutea (Linnaeus) Smith subsp. rubrodisca (Morong) Hellquist & Wiersema]



NUTTALLANTHUS (Family: Plantaginaceae)


Nuttallanthus canadensis (Linnaeus) D.A. Sutton - Old-field Toadflax. 2n = 12.


Sandy soil, waste places. [Linaria canadensis (Linnaeus) Dumont de Courset]



NYMPHAEA (Family: Nymphaeaceae)


Nymphaea leibergii Morong - Pygmy Water-lily. 2n = 84, 112.


Pond and lake margins. [N. tetragona misapplied]


Nymphaea odorata Aiton subsp. odorata - Fragrant Water-lily. 2n = 42, 56, 84.


Ponds, quiet water. [N. odorata var. gigantea Tricker]


Nymphaea odorata Aiton subsp. tuberosa (Paine) Wiersema & Hellquist - Magnolia Water-lily. 2n = ?


Ponds, quiet water. [N. tuberosa Paine]

Nymphaea hybrid

Nymphaea leibergii Morong X N. odorata Aiton subsp. odorata - .




NYMPHOIDES (Family: Menyanthaceae)


Nymphoides cordata (Elliott) Fernald - . 2n = 36.


Ponds, lakes, slow streams.


NYMPHOIDES PELTATA (S.G. Gmelin) Kuntze - Yellow Floating-heart. 2n = 54, 56.


Ponds. From Eurasia. [N. FLAVA Druce -- illegitimate name]



NYSSA (Family: Nyssaceae)


Nyssa sylvatica Marshall - Black Tupelo. 2n = 44.


Swamps, shores, low, acidic woodlands.





Designed by Ray Angelo. Revised Dec. 9, 2016