Flora of New York/Poaceae 2


Poaceae 1
Flora of New York — Poaceae 2
Poaceae 3
Table of
contents
Genus
index
Protected species index Invasive species index


Poales genus index

Subfamily Danthonioideae

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Subfam. Danthonioideae H.P. Linder & N.P. Baker (2001) (sister to Chloridoideae) contains the tribe Danthonieae.[1]

Tribe Danthonieae

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Tribe Danthonieae Zotov (1963) contains the genera Austroderia, Capeochloa, Chaetobromus, Chimaerochloa, Chionochloa, Cortaderia, Danthonia, Geochloa, Merxmuellera, Notochloe, Pentameris, Plinthanthesis, Pseudopentameris, Rytidosperma, Schismus, Tenaxia, and Tribolium.[1]

Danthonia

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Danthonia spicata
Two species of oat grass (Danthonia spp.) are native to New York: poverty grass (D. spicata) and northern oat grass (D. compressa).
Poales — Poaceae — Danthonioideae — Danthonieae — Danthonia
Genus Danthonia Oat grass N.Y. Status Images Distribution NY NPT
 (L.) P.Beauv. ex Roem.& Schult.

1753. Avena spicata L.
1817. Danthonia spicata (L.) P.Beauv. ex Roem.& Schult.
1913. Pentameris spicata (L.) A.Nelson & J.F.Macbr.
Poverty grass,
Poverty oatgrass,
Poverty oat grass
Native,
Secure
 
NYFA: 5

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 Austin

1869. Danthonia compressa Austin
1871. D. spicatavar. compressa
1909. Merathrepta compressa (Austin) A. Heller
1913. Pentameris compressa (Austin) A. Nelson & J.F. Macbr.
Northern oat grass,
Flattened oatgrass
Native,
Secure
 
NYFA: 5

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Genus Danthonia(excluded taxa) Oat grass N.Y. Status Images Distribution NY NPT
Nutt.

1818. Danthonia sericea Nutt.
1901. Danthonia epilis Scribn.
Downy oat grass,
Downy danthonia
N. America native,
N.Y. excluded
 
NYFA-Excluded

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Danthonia compressa ×
Danthonia spicata

Hybrid of
 northern oat grass &
 poverty grass
Native,
N.Y. excluded
 
NYFA-Excluded

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Cortaderia

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Cortaderia selloana in Hawaii

Poales — Poaceae — Danthonioideae — Danthonieae — Cortaderia
Genus Cortaderia Pampas grass N.Y. Status Images Distribution  NPT
(Schult. & Schult.f.) Asch. & Graebn.

1827. Arundo selloana Schult. & Schult.f.
1900. Cortaderia selloana (Schult. & Schult.f.) Asch. & Graebn.
Uruguayan pampas grass
Selloa pampas grass
Introduced,
Highly invasive
 
NYFA: 0 counties
GBIF
0 counties

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Subfamily Chloridoideae

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Subfam. Chloridoideae Kunth ex Beilschm. (1833) (sister to Danthonioideae) contains the tribes Centropodieae, Triraphideae, Eragrostideae, Zoysieae, and Cynodonteae.[1]

Tribe Eragrostideae

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Subtribe Eragrostidinae

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Eragrostis
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Poales — Poaceae — Chloridoideae — Eragrostideae — Eragrostidinae — Eragrostis
Genus Eragrostis Lovegrass N.Y. Status Images Distribution NY NPT
 (L.) Nees

Lace grass,
Tiny love-grass
Native,
Secure
 
NYFA: 5

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 C.A.Mey. ex Steud.

Frank's love-grass,
Sandbar lovegrass
Native,
Secure
 
NYFA: 5

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 (Lam.) Britton, Sterns & Poggenb.

Teal love grass Native,
Secure
 
NYFA: 5

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Purple lovegrass Native,
Secure
 
NYFA: 5

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 (Michx.) Nees ex Steud.
var. pectinacea

Tufted lovegrass,
Spreading lovegrass,
Purple lovegrass
Native,
Secure
 
NYFA: 5

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 (Michx.) Nees ex Steud.
var. miserrima (Fourn.) J.Reeder

Desert lovegrass Introduced,
N. America native
 
NYFA: X

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 (Nutt.) Alph. Wood

Sand lovegrass Introduced,
N. America native,
Impersistent
 
NYFA: Xm

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 (L.) P.Beauv.
var. pilosa

1753. Poa pilosa L.
1812. Eragrostis pilosa P.Beauv.
India love-grass,
Hairy love-grass,
Soft love-grass,
Jersey love-grass
Pâturin poilu
Introduced  
NYFA: X

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 (All.) Vign. ex Janchen

    E. major Host
    E. megastachya (Koeler) Link
    Poa cilianensis All.
Stinkgrass,
Candygrass
Introduced,
Potentially invasive
 
NYFA: X

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 Host

Little lovegrass Introduced  
NYFA: X

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 (Schrad.) Nees

    E. chloromelas Steud.
    E. robusta Stent
Weeping lovegrass,
Boer love grass
Introduced,
Moderately invasive,
 NYIS: 57%[1],
Invasive
 
NYFA: X

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Subtribe Unioliinae

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Subtribe Unioliinae Clayton (1982) contains 11 species in 5 genera: Entoplocamia, Fingerhuthia, Tetrachaete, Tetrachne, and Uniola.[1]
Uniola
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Uniola paniculata
Sea oats (Uniola paniculata) are native to the southeastern coastal United States, Mexico, Bahamas and Cuba. They are not known to have naturalized any farther north than Delaware. Sea oats produce few seeds and spread primarily by rhizomes. This plant is no longer considered to be a close relative of Chasmanthium latifolium (Indian woodoats) which was once placed in this genus as Uniola latifolia and is sometimes known as "northern sea oats".
Poales — Poaceae — Chloridoideae — Eragrostideae — Uniolinae — Uniola
Genus Uniola Uniola N.Y. Status Images Distribution NY NPT
 L.

1753. Uniola paniculata L.
Seaoats,
Sea oats,
Seaside oats,
North American sea-oats
Araña,
Arroz de costa
Introduced,
N. America native

FACU
 
NYFA: Not listed

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Tribe Zoysieae

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Subtribe Sporobolinae

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Sporobolus
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The subgeneric classification used here for Sporobolus (Dropseed) is from Peterson et. al. (2014), which includes the genera Calamovilfa, Crypsis, Spartina,

and Thellungia (most of Sporobolinae) within Sporobolus to make it monophyletic.[1]


Sporobolus sect. Clandestini
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Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Clandestini
Genus Sporobolussect. Clandestini Dropseed N.Y. Status Images Distribution NY NPT
 Nash

1895. Sporobolus neglectus Nash
1901. Sporobolus vaginiflorus
var. neglectus Scribn.
1954. Sporobolus vaginiflorus
var. neglectus Shinners [isonym]
Small dropseed,
Puffsheath dropseed
Sporobole négligé
Native,
Secure

Annual,
Graminoid
 
NYFA: 5

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 (Torr. ex A. Gray) Alph. Wood
var. vaginiflorus

Sheathed dropseed,
Poverty dropseed
Native,
Secure

Annual,
Graminoid
 
NYFA: 5

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 (Poir.) Merr.
var. compositus

1803. Agrostis aspera Michx. [illeg.]
1823. Agrostis longifolia Torr.
1829. Sporobolus asper (P.Beauv.) Kunth
1901. Sporobolus compositus (Poir.) Merr.
Composite dropseed,
Tall dropseed,
Rough dropseed,
Rushgrass
Sporobole rude
Native,
Likely secure
 
NYFA: 4-5

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 (Biehler) Hitchc.

1807. Agrostis clandestina Biehler
1861. Sporobolus longifolius Alph.Wood
1901. Sporobolus canovirens Nash
1908. Sporobolus clandestinus Hitchc.
1954. S. aspervar. canovirens Shinners
1954. S. aspervar. clandestinus Shinners
1995. S. compositusvar. clandestinus
Rough dropseed,
Hidden dropseed
Native,
Endangered

Perennial,
Graminoid
 
NYFA: 1

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Sporobolus sect. Calamovilfa
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Because the genus Calamovilfa (sandreed) has been found to be embedded within a paraphyletic Sporobolus genus, Peterson et. al. (2014) recommended the transfer of the Calamovilfa species to a subsection within Sporobolus.[1]
Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Calamovilfa
Genus Sporobolussubsect. Floridani Dropseed N.Y. Status Images Distribution NY NPT
 (A.Gray) A.Gray

1835. Vilfa heterolepis A.Gray
1848. Sporobolus heterolepisin…
Northern dropseed,
Prairie dropseed
Native, CoC: 10,
Threatened

FACU

Perennial,
Graminoid
 
NYFA: 2

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Genus Sporobolussubsect. Calamovilfa Sandreed N.Y. Status Images Distribution NY NPT
 (Buckley) P.M.Peterson
var. magnus P.M.Peterson

1901. Calamovilfa longifolia
var. magna Scribn.& Merr.
2014. Sporobolus rigidus
var. magnus P.M.Peterson
Prairie sandreed,
Sand reed-grass
Introduced,
N. America native,
Likely extirpated in NY
 
NYFA: XZm

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Sporobolus sect. Pyramidati
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Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Pyramidati
Genus Sporobolussect. Pyramidatisubsect. Pyramidati Dropseed N.Y. Status Images Distribution NY NPT
 (Lam.) Hitchc.

Whorled dropseed Introduced,
Impersistent
 
NYFA: Xm

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 Hitchc.

1882. S. cryptandrusvar. strictus
1901. S. strictus (Scribn.) Merr. (i)
1915. S. contractus Hitchc.
Narrow-spiked dropseed,
Spike dropseed
Introduced from
 western U.S.A.,
 northern Mexico,
N.Y. excluded

Perennial,
Graminoid

NYFA-Excluded

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Sporobolus sect. Cryptandri
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Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Cryptandri
Genus Sporobolussect. Cryptandri Dropseed N.Y. Status Images Distribution NY NPT
 (Torr.) A.Gray

1824. Agrostis cryptandra Torr.
1840. Vilfa cryptandra (Torr.) Trin.
1848. Sporobolus cryptandrus A.Gray
1870. Sporobolus subinclusus Phil.
Sand dropseed,
Prairie grass
Sporobole à fleurs cacnées
Native,
Unranked

FACU-UPL

Perennial,
Graminoid
 
NYFA: U

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Sporobolus sect. Sporobolus
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Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Sporobolus
Genus Sporobolussect. Sporobolus Dropseed N.Y. Status Images Distribution NY NPT

Blackseed,
Smut grass
Introduced  
NYFA: Xm

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Sporobolus sect. Airoides
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Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Airoides
Genus Sporobolussect. Airoides Dropseed N.Y. Status Images Distribution NY NPT
 (Torr.) Torr.

1824. Agrostis airoides Torr.
1841. Vilfa airoides Trin. ex Steud.
1854. Vilfa airoides Trin. ex Steud. hom?
1856. Sporobolus airoides Torr.
Alkali sacaton Introduced from
 western N.A.,
Impersistent
 
NYFA: Xm

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Sporobolus sect. Spartina
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Sporobolus michauxianus
prairie cordgrass
Because the genus Spartina (Cordgrass) has been found to be embedded within a paraphyletic Sporobolus genus, Peterson et. al. (2014) recommended the transfer of the Spartina species to a section within Sporobolus.[1][2]
Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Spartina
Genus Sporobolussect. Spartinasubsect. Spartina Cordgrass N.Y. Status Images Distribution NY NPT
 (Hitchc.) P.M.Peterson & Saarela

1803. Trachynotia cynosuroides Michx.
1820. Spartina pectinata Link
1908. Spartina michauxiana Hitchc.
2014. Sporobolus michauxianus P.M.Peterson & Saarela
 non Sporobolus pectinatus Hack.
Fresh water cordgrass,
Prairie cordgrass
Native,
Secure
 
NYFA: 5

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 (Roth) P.M.Peterson & Saarela

1789. Dactylis patens Aiton
1806. Spartina pumila Roth
1817. Spartina patens Muhl.
2014. Sporobolus pumilus P.M.Peterson & Saarela
 non Sporobolus patens Swallen
Saltmeadow cordgrass,
Marshhay cordgrass,
Marsh grass
Native,
Secure
 
NYFA: 5

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 (L.) P.M.Peterson & Saarela

1753. Dactylis cynosuroides L.
1803. Trachynotia cynosuroides Michx.
1804. Paspalum cynosuroides Brot.
1806. Spartina cynosuroides Roth
1812. Spartina polystachya
(Michx.) P. Beauv.
1825. Cynodon cynosuroides Raspail
Salt reedgrass,
Big cordgrass
Native,
Likely secure
 
NYFA: 4

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 P.M.Peterson & Saarela

Sporobolus michauxianus ×
Sporobolus pumilus

1898. Spartina × caespitosa
A.A.Eaton
1906. Spartina patens
var. caespitosa Hitchc.
2014. Sporobolus × eatonianus P.M.Peterson & Saarela
 non Sporobolus caespitosus Kunth
Marsh cordgrass hybrid,
Hybrid of
 Freshwater cordgrass &
 Saltmeadow cordgrass
Native,
Threatened
 
NYFA: 2?

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Genus Sporobolussect. Spartinasubsect. Alterniflori Cordgrass N.Y. Status Images Distribution NY NPT
 (Loisel.) P.M.Peterson & Saarela

1803. Spartina alterniflora Loisel.
1815. Trachynotia alterniflora DC.
2014. Sporobolus alterniflorus P.M.Peterson & Saarela
Saltwater cordgrass,
Smooth cordgrass
Native,
Secure
 
NYFA: 5

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Sporobolus sect. Crypsis
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Sporobolus schoenoides
Because the genus Crypsis (Picklegrass) has been found to be embedded within a paraphyletic Sporobolus genus, Peterson et. al. (2014) recommended the transfer of the Crypsis species to a subsection within Sporobolus.[1]
Poales — Poaceae — Chloridoideae — Zoysieae — Sporobolinae — Sporobolus sect. Crypsis
Genus Sporobolussect. Crypsis Prickle grass N.Y. Status Images Distribution NY NPT
 (L.) P.M.Peterson

1753. Phleum schoenoides L.
1791. Crypsis schoenoides (L.) Lam.
1801. Heleochloa schoenoides (L.) Host
2014. Sporobolus schoenoides (L.) P.M.Peterson
Swamp pricklegrass,
Swamp timothy,
Rush-like timothy
Crypside faux-choin,
Crypsis faux-choin
Introduced from
 Eurasia,
 northern Africa,
Not naturalized

OBL-FACU

Annual,
Graminoid
 
NYFA: X

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Tribe Cynodonteae

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Subtribe Gouiniinae

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Triplasis
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Poales — Poaceae — Chloridoideae — Cynodonteae — Gouiniinae
Genus Triplasis Sand grass N.Y. Status Images Distribution NY NPT
 (Walter) Chapm.
var. purpurea

1788. Aira purpurea Walter
1860. Triplasis purpurea Chapm.
Purple sandgrass Native,
Likely secure
 
NYFA: 4

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Subtribe Eleusininae

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Subtribe Eleusininae Dumort. (1829) contains the genera Acrachne, Afrotrichloris, Apochiton, Astrebla, Austrochloris, Chloris, Chrysochloa, Coelachyrum, Cynodon, Daknopholis, Dinebra, Diplachne, Disakisperma, Eleusine, Enteropogon, Eustachys, Harpochloa, Leptochloa, Lepturus, Lintonia, Microachne, Microchloa, Oxychloris, Pommereulla, Rendlia, Rheochloa, Saugetia, Schoenefeldia, Sclerodactylon, Stapfochloa, and Tetrapogon.[1] Those in bold type contain species found in New York. Of those, only Diplachne contains a species that is considered to be native.
Diplachne
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Diplachne fusca
bearded sprangletop
Bearded sprangletop (Diplachne fusca (L.) P. Beauv. ssp. fascicularis (Lam.) P.M. Peterson & N. Snow) is the only Diplachne species known to grow in the wild in New York State.
Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Diplachne
Genus Diplachne Sprangle top N.Y. Status Images Distribution NY NPT
 (L.) P.Beauv.
ssp. fascicularis

    Diplachne maritima E.P.Bicknell
    Diplachne acuminata Nash
    Diplachne fascicularis (Lam.) P.Beauv.
    Leptochloa fusca  ssp. fascicularis
    Diplachne fusca  ssp. fascicularis
Bearded sprangletop,
Salt-meadow grass,
Saltpond grass
Native, CoC: 7,
Endangered

OBL-FACW

Perennial,
Graminoid
 
NYFA: 1

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Stapfochloa
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Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Stapfochloa
Genus Stapfochloa Windmill grass N.Y. Status Images Distribution NY NPT

Fringed windmill grass Introduced,
N. America native,
Impersistent
 
NYFA: Xm

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Chloris
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Chloris virgata

Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Chloris
Genus Chloris Windmill grass N.Y. Status Images Distribution NY NPT
 Nutt.

1835. Chloris verticillata Nutt.
Tumble windmill grass
Windmill grass
Introduced,
N. America native,
Impersistent
 
NYFA: Xm
NYFA: 2 counties
iNat
2 counties

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 Sw.

1797. Chloris virgata Sw.
1816. Chloris elegans Kunth
Feather finger grass
Feather windmill grass
Introduced,
N. America native,
Impersistent
 
NYFA: Xm
NYFA: 2 counties
iNat
no observations

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Leptochloa
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Leptochloa crinita
false rhodes grass
Sprangletop (Leptochloa[1], syn. Trichloris) species are not native to nor known to be naturalized in New York State, but an apparent waif of false rhodes grass (Leptochloa crinita) was collected in Westchester County in 1898.
Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Leptochloa
Genus Leptochloa Sprangletop N.Y. Status Images Distribution NY NPT
 (Lag.) P.M.Peterson & N.Snow

1805. Chloris crinita Lag.
1947. Trichloris crinita (Lag.) Parodi
2012. Leptochloa crinitain…
False rhodes grass Introduced,
N. America native,
Impersistent
 
NYFA: X

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Cynodon
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Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Cynodon
Genus Cynodon Bermuda grass N.Y. Status Images Distribution NY NPT
 (L.) Pers.
var. dactylon

1753. Panicum dactylon L.
1805. Cynodon dactylon (L.) Pers.
1806. Digitaria stolonifera Schrad.
1891. Capriola dactylon (L.) Kuntze
Bermudagrass,
Bermuda grass
Introduced  
NYFA: Xn

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Eleusine
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Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Eleusine
Genus EleusineGaertn. Goose grass N.Y. Status Images Distribution NY NPT
 (L.) Gaertn.

1753. Cynosurus indicus L.
1788. Eleusine indica (L.) Gaertn.
1854. Eleusine japonica Steud.
Goose grass,
India goosegrass,
Indian goosegrass
Introduced from
 Africa,
 Asia,
Naturalized

FACU

Annual,
Graminoid
 
NYFA: X

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Genus EleusineGaertn.(excluded taxa) Goose grass N.Y. Status Images Distribution NY NPT
(Lam.) Lam.

1786. Cynosurus tristachyos Lam.
1792. Eleusine tristachya (Lam.) Lam.
    
American crowfoot grass Introduced from
 South American,
N.Y. excluded
 
NYFA-Excluded

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Eustachys
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Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Eustachys
Genus Eustachys Finger grass N.Y. Status Images Distribution NY NPT
 (Lag.) Kunth

Argentine fingergrass Introduced,
Impersistent
 
NYFA: X

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Dactyloctenium
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Poales — Poaceae — Chloridoideae — Cynodonteae — Eleusininae — Dactyloctenium
Genus Dactyloctenium Crowfoot-grass N.Y. Status Images Distribution NY NPT
 (L.) Willd. (1809)

Crowfoot grass,
Egyptian grass,
Finger grass
Introduced,
Impersistent
 
NYFA: Xm

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Subtribe Pappophorinae

edit
Subtribe Pappophorinae Dumort. (1829) contains the genera Neesiochloa, Pappophorum, and Tridens (excl. Tridentopsis}.[1] Those in bold type contain species found in New York. Of those, only Tridens contains a species that is considered to be native.
Tridens
edit
 
Tridens flavus
Native purpletop (Tridens flavus) is the only species of Tridens found in New York.
Poales — Poaceae — Chloridoideae — Cynodonteae — Pappophorinae
Genus Tridens tridens N.Y. Status Images Distribution NY NPT
 (L.) Hitchc.
var. flavus

1753. Poa flava L.
1894. Sieglingia sesleroides (Michx.) Scribn.
1906. Tridens flavus (L.) Hitchc.
1913. Triodia flava (L.) Smyth
Purpletop tridens,
Tall purple-topped fluffgrass,
Purpletop,
Redtop,
Tall Red Top
Native, CoC: 0,
Secure

UPL

Perennial,
Perennial
 
NYFA: 5

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Pappophorum
edit
 
Pappophorum vaginatum
Pappus grass
Poales — Poaceae — Chloridoideae — Cynodonteae — Pappophorinae
Genus Pappophorum Pappus grass N.Y. Status Images Distribution NY NPT
 Buckley

Whiplash pappusgrass Introduced,
US South native,
Impersistent
 
NYFA: Xm

USDA-N0
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(Lam.) Kuntze

    Pappophorum pappiferumin…
Limestone pappus grass
Limestone pappusgrass
Introduced from
 Puerto Rico,
 Virgin Islands,
Not naturalized

NYFA: Xm

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Genus Pappophorum(excluded taxa) Pappus grass N.Y. Status Images Distribution NY NPT
 Fourn.

Pink pappusgrass Introduced,
US South native,
Excluded
 
NYFA-Excluded

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Subtribe Traginae

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Tragus
edit
 
Tragus racemosus
Burr grass does not appear to naturalize in New York State, but these two Eurasian species were collected in 1889 in New York and Westchester Counties.
Poales — Poaceae — Chloridoideae — Cynodonteae — Traginae
Genus Tragus Burr grass N.Y. Status Images Distribution NY NPT
 Schult.

Spiked burr grass,
Spiked bur grass,
Texas bur,
African bur grass
Introduced from
 Africa,
 Asia,
Impersistent
 
NYFA: Xm

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 (L.) All.

Spiked burr grass,
Stalked bur grass,
Texas bur,
European bur grass
Introduced from
 Africa,
 Eurasia,
Impersistent
 
NYFA: Xm

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Subtribe Monanthochloinae

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Distichlis
edit
 
Distichlis spicata
Saltgrass is found in salt marshes and brackish marshes, occasionally in dense stands in southeastern New York State.
Poales — Poaceae — Chloridoideae — Cynodonteae — Monanthochloinae
Genus Distichlis Salt grass N.Y. Status Images Distribution NY NPT
 (L.) Greene

Saltgrass,
Salt grass,
Inland saltgrass
Native, CoC: 9,
Secure

FACW

Perennial,
Graminoid
 
NYFA: 5

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Subtribe Boutelouinae

edit
Bouteloua
edit
 
Bouteloua curtipendula
Bouteloua has about 20 species that are native to North America. The two that have been found in New York, sideoats grama and blue grama were both major components of the shortgrass prairie of the Great Plains.[1] Sideoats grama is still common in the west, but has become rare in the east and in listed as endangered in New York. Blue grama is not considered to be native to the Northeast, and is a rare introduction to New York. See Plants of Monroe County.
Poales — Poaceae — Chloridoideae — Cynodonteae — Boutelouinae — Bouteloua
Genus Boutelouasubg. Bouteloua Grama N.Y. Status Images Distribution NY NPT
 (Michx.) Torr.
 var. curtipendula

1803. Chloris curtipendula Michx.
1853. Bouteloua curtipendula Torr.
Sideoats grama,
Side-oats grama,
Tall grama grass
Native,
Endangered,
NYNHP: 1[1]
 
NYFA: 1

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Genus Boutelouasubg. Chondrosum Grama N.Y. Status Images Distribution NY NPT
 (Willd. ex Kunth) Lag. ex Griffiths

1816. Chondrosum gracile Kunth in F.W.H.von Humboldt, A.J.A.Bonpland & C.S.Kunth
1817. Actinochloa gracilis (Kunth) Willd. ex Roem. & Schult. in Syst. Veg., ed.
1818. Atheropogon oligostachyus Nutt. in Gen. N. Amer. Pl. 1: 78
1824. Atheropogon gracilis (Kunth) Spreng. in Syst. Veg., ed. 16. 1:293
1824. Eutriana gracilis (Kunth) Trin. in Gram. Unifl. Sesquifl.:240
1829. Eutriana oligostachya (Nutt.) Kunth in Révis. Gramin. 1:96
1853. Chondrosum oligostachyum (Nutt.) Torr. in R.B.Marcy, Explor. Red River Louisiana
1856. Bouteloua oligostachya (Nutt.) Torr. ex A.Gray in Manual, ed. 2:553
1887. Bouteloua major Vasey in Bull. Torrey Bot. Club 14:10, nom. nud.
1912. Bouteloua gracilis (Kunth) Lag. ex Griffiths in Contr. U.S. Natl. Herb., nom. cons.
2021. Chondrosum strictum (Vasey) Wipff in Phytoneuron 2021-53: 2

Blue grama,
Blue gramma,
Eyelash grass
Introduced from
 western N. America,
 Mexico,
N. America native,
Not naturalized
 
NYFA: Monroe, Ontario

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Lag.
 var. hirsuta

1805. Bouteloua hirsuta Lag.
    
    
Hairy grama Introduced,
N. America native
 
NYFA: U

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Genus Boutelouasubg. Buchloe Grama N.Y. Status Images Distribution NY NPT
 (Nutt.) J.T.Columbus

    
    
    
Buffalograss,
Buffalo-grass
Introduced from
 central N. America,
N. America native
 
NYFA: U

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Subtribe Muhlenbergiinae

edit
Muhlenbergia
edit
 
Muhlenbergia frondosa

Poales — Poaceae — Chloridoideae — Cynodonteae — Muhlenbergiinae — Muhlenbergia
Genus Muhlenbergia Muhly N.Y. Status Images Distribution NY NPT
 (Poir.) Fernald

1803. Agrostis lateriflora Michx.
1810. Agrostis frondosa Poir.
1833. M. lateriflora Trin. ex Kunth (i)
1907. M. mexicanassp. commutata Scribn.
1943. M. frondosa (Poir.) Fernald
Wirestem muhly,
Wire-stemmed muhly
Muhlenbergie feuillée
Native, CoC: 4,
Secure
 
NYFA: 5
iNat

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 (Willd.) Trin.

 auct. M. racemosanon BSP
Spike muhly,
Spiked muhly,
Bog muhly,
Marsh muhly
Muhlenbergie agglomérée,
Muhlenbergia agglomérée
Native, CoC: 10,
Secure

OBL-FACW
 
NYFA: 5
iNat

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 (L.) Trin.

    Agrostis mexicana
    M. ambigua
    M. foliosa
    M. mexicanavar. filiformis
Mexican muhly,
Wire-stemmed muhly
Native, CoC: 4,
Secure
 
NYFA: 5
iNat

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 J.F.Gmel.

Nimblewill,
Nimblewill muhly,
Schreber muhly
Native, CoC: 0,
Secure
 
NYFA: 5
iNat

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 (Muhl. ex Willd.) Trin.

Cliff muhly Native, CoC: 8,
Secure
 
NYFA: 5
iNat

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 (Torr.) Torr. ex A. Gray

Woodland muhly,
Forest muhly
Native, CoC: 6,
Secure
 
NYFA: 5
iNat

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 (Willd.) Britton, Sterns & Poggenb.

Slender muhly Native, CoC: 8,
Secure,
S5, G5

FACU,
Graminoid

NYFA: 5
iNat

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 (Muhl.) Fernald

Fall dropseed muhly,
Bog muhly
Native, CoC: 6,
Likely secure
 
NYFA: 4
iNat

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 (Lam.) Trin.

Hairawn muhly Native, CoC: 10,
Likely extirpated
 
NYFA: Z
iNat

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 (Nees & Meyen ex Trin.) Parodi

Alkali muhly,
Scratchgrass
Introduced,
N. America native
 
NYFA: X
iNat

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Genus Muhlenbergia(excluded taxa) Muhly N.Y. Status Images Distribution NY NPT
(Schult.) Hitchc.

    M. torreyana (Schult.) Hitchc.
    
    
New Jersey muhly N. America native,
N.Y. excluded

FACW

Perennial,
Graminoid
 
NYFA-Excluded
iNat

USDA-N0
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(Michx.) Britton, Sterns & Poggenb.

    M. racemosa (Michx.)
Britton, Sterns & Poggenb.
    
    
Marsh muhly N. America native,
N.Y. excluded

FAC-FACU

Perennial,
Graminoid
 
NYFA-Excluded
iNat

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Subfamily Aristidoideae

edit
Subfamily Aristidoideae Caro (1982) contains 364 species in 3 genera in one tribe: Aristideae.[1]

Tribe Aristideae

edit
Tribe Aristideae C.E. Hubb. (1960) contains 364 species in 3 genera: Aristida,, Sartidia, and Stipagrostis.[1]

Aristida

edit
 
Aristida dichotoma
Three awn (Aristida)
Poales — Poaceae — Aristidoideae — Aristida
Genus Aristida Threeawn N.Y. Status Images Distribution NY NPT
 Michx.
var. dichotoma

Churchmouse threeawn,
Shinners three-awned grass
Native, CoC: 3,
Secure

FACU

Annual,
Graminioid
 
NYFA: 5
iNat

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 Poir.
var. purpurascens

Arrow-feather threeawn
Arrow feather threeawn
Arrowfeather threeawn
Native, CoC: 5,
Unranked
 
NYFA: NU
iNat

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 Nutt.

Seaside threeawn
Native, CoC: 7,
Unranked

Annual,
Graminoid
 
NYFA: 3
iNat

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 Engelm. ex Vasey

Forked threeawn,
Forked three-awned grass,
Branching needle-grass
Native, CoC: 0,
Endangered,
NYNHP: S1S2[1]
 
NYFA: U
iNat

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 Raf.

1816. Aristida gracilis Elliott
1817. Aristida geniculata Raf.
1901. Aristida intermedia Scribn. & C.R.Ball
1933. Aristida longespica  var. geniculata  (Raf.) Fernald
1954. Aristida necopina Shinners
Kearney’s threeawn Native, CoC: 5,
Endangered,
NYNHP: S1[2]
 
NYFA: 1
iNat

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 Poir.

Slimspike threeawn,
Slim-spiked threeawn
Native, CoC: 8,
Endangered,
NYNHP: S1[3]
 
NYFA: H
iNat

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 L.

    Aristida fasciculata Torr.
Sixweeks threeawn,
Six-weeks three-awn grass
Introduced,
Waif
 
NYFA: X
iNat

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 Michx.

Prairie three-awn grass Introduced  
NYFA: X
iNat

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Subfamily Arundinoideae

edit
Subfamily Arundinoideae Kunth ex Beilschm. (1833) contains 40 species in 16 genera in 2 tribes: Arundineae and Molinieae.[1]

Tribe Molinieae

edit
Tribe Molinieae Jirásek (1966) contains 24 species in 13 genera: Crinipes, Dichaetaria, Dregeochloa, Elytrophorus, Hakonechloa, Leptagrostis, Molinia, Moliniopsis, Nematopoa, Phragmites, Piptophyllum, Styppeiochloa, and Zenkeria.[1]

Phragmites

edit
 
Phragmites australis
The vast majority of Phragmites (common reed) in New York today is of the introduced Eurasian lineage (haplotype M) Phragmites australis subsp. australis. The native lineage (haplotype E) P. australis subsp. americanus is only known to be present in the vicinity of Montezuma Swamp in Cayuga County, although it is likely to have been present, and may still be present elsewhere in the state.

Although the native and non-native Phragmites strains normally share habitats (until the natives are replaced by the non-natives), hybrids of the two were not discovered in the field until 2014, when a hybrid clone was discovered at the Montezuma site.[1]


Poales — Poaceae — Arundinoideae — Molinieae — Phragmites
Genus Phragmites Reed N.Y. Status Images Distribution NY NPT
 (Saltonst., P.M.Peterson & Soreng)
A.Haines

2004. Phragmites australis
ssp. americanus[1]
2010. P. americanus (Saltonst.,
P.M.Peterson & Soreng) A.Haines[2]
 auct. P. communisssp. berlandieri
 auct. P. communisvar. berlandieri
American reed,
American common reed,
American reedgrass
Roseau d'Amérique
Native, CoC: 7,
Rare,
S3, G5-T4

FACW

Perennial,
Graminoid
  Cayuga (2004), Madison (2016), Monroe (2019), Oswego (2019), St.Lawrence (2008-19)
NYFA: 3

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 (Cav.) Trin. ex Steud.

1753. Arundo phragmites L.
1799. Arundo australis Cav.
1820. P. communis Trin.
1841. P. australis Trin. ex Steud.
1881. P. phragmites (L.) Karst.
Common reed,
Phragmites,
European reed,
European reedgrass,
Phragmites
Roseau commun
Introduced,
Very highly invasive,
 NYIS: 92%[3],
Naturalized,
CP-2[4],
SP, G5-T5

FACW

Perennial,
Graminoid
 
NYFA: X

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Phragmites australis ×
Phragmites americanus[5]

P. australis ssp. americanus ×
P. australis ssp. australis

Hybrid of
 American reed &
 Common reed
Introduced,
Unranked,
Naturalized
 
NYFA: U

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Genus Phragmites(excluded species) Reed N.Y. Status Images Distribution NY NPT
E.Fourn.

1877. P. berlandieri E.Fourn.
1932. P. communisvar. berlandieri
1954. P. communisssp. berlandieri
1987. P. australisvar. berlandieri
2007. P. australisssp. berlandieri
Subtropical common reed N. America native,
Excuded
  excluded
NYFA-Excluded

USDA-N0
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Molinia

edit
 
Molinia caerulea
Moorgrass (Molinia)
Poales — Poaceae — Arundinoideae — Molinia
Genus Molinia Moor grass N.Y. Status Images Distribution NY NPT
 (L.) Moench

1753. Aira caerulea L.
1771. Melica caerulea L.
1794. Molinia caerulea Moench
Purple moorgrass,
Purple moor grass
Molinie bleue
Introduced from
 Eurasia,
 northern Africa

FACU

Perennial,
Graminoid
 
NYFA: X

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Tribe Arundineae

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Tribe Arundineae

Arundo

edit
 
Arundo donax
Arundo donax (giant reed), native of Asia, is highly invasive in North America, but is so far very rare in New York State.
Poales — Poaceae — Arundinoideae — Arundineae — Arundo
Genus Arundo Giant cane N.Y. Status Images Distribution NY NPT
L.

1753. Arundo donax L. in Sp. Pl.: 81 (1753)
1791. Aira bengalensis (Retz.) J.F.Gmel. in Syst. Nat., ed. 13[bis].: 174
1796. Arundo latifolia Salisb. in Prodr. Stirp. Chap. Allerton: 24, nom. superfl.
1812. Donax arundinaceus P.Beauv. in Ess. Agrostogr.: t.16, f.4
1812. Donax versicolor (Mill.) P.Beauv. in Ess. Agrostogr.: t.16, f.5
1823. Scolochloa arundinacea (P.Beauv.) Mert. & W.D.J.Koch in J.C.Röhling, nom. superfl.
1825. Cynodon donax (L.) Raspail in Ann. Sci. Nat. (Paris) 5:302
1828. Scolochloa donax (L.) Gaudin in Fl. Helv. 1:202
1854. Amphidonax bengalensis (Retz.) Steud. in Syn. Pl. Glumac. 1:197
1854. Amphidonax bifaria Nees ex Steud. in Syn. Pl. Glumac. 1:197, pro syn.
1898. Donax donax (L.) Asch. & Graebn. in Fl. Nordostdeut. Flachl., not validly publ.

Giant reed
Giant cane
Elephant grass
Spanish-reed
Introduced from
 Asia,
Highly invasive,
Rare in NY

FACU,
Heliophily: 9
 
NYFA: Not listed
iNat: Nassau (2020)
GBIF: Bronx, Nassau

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Subfamily Oryzoideae

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Tribe Oryzeae

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Subtribe Oryzinae

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Leersia
edit
 
Leersia oryzoides
The genus Leersia contains the two common native cutrgrasses L. oryzoides (rice cut grass) and L. virginica (white cut grass).
Poales — Poaceae — Oryzoideae — Oryzeae — Oryzinae
Genus Leersia Cut grass N.Y. Status Images Distribution NY NPT
 (L.) Sw.

Rice cutgrass,
Ricegrass
Native,
Secure
 
NYFA: 5

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 Willd. (1797)

Virginia cutgrass,
Whitegrass
Native,
Secure
 
NYFA: 5

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Subtribe Zizaniinae

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Zizania
edit
 
Zizania aquatica

Poales — Poaceae — Oryzoideae — Oryzeae — Zizaniinae
Genus Zizania Wildrice N.Y. Status Images Distribution NY NPT
L.
 var. aquatica

1753. Zizania aquatica L.
1803. Zizania clavulosa Michx. in Fl. Bor.-Amer. 1:75
1827. Hydropyrum esculentum Link in Hort. Berol. 1:252
1840. Limnochloa caduciflora Turcz. ex Trin. in Mém. Acad. Imp. Sci.
1841. Stipa angulata Steud. in Nomencl. Bot., ed. 2, 2:642, pro syn.
1967. Zizania aquatica var. subbrevis B.Boivin in Naturaliste Canad.

Annual wild rice
Eastern wild rice
Indian rice
Southern wildrice
Southern zizania
Zizanie à fleurs blanches
Riz sauvage du sud
Zizanie à fleurs blanches variété à fleurs blanches
Zizanie aquatique du sud
Native, CoC: 6,
Secure,
S5, G5

OBL

Annual,
Graminoid
 
NYFA: 27 counties

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L.
 var. palustris

1771. Zizania palustris L.
1906. Zizania aquaticavar. angustifolia
1971. Zizania aquaticassp. angustifolia
Northern wildrice,
Northern wild rice
Native, CoC: 8,
Unranked,
SNR

OBL

Annual,
Graminoid
 
NYFA: 19 counties

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L.
 var. interior

1924. Zizania aquatica var. interior Fassett in Rhodora 26:158
1931. Zizania interior (Fassett) Rydb. in Brittonia 1:82
1969. Zizania palustris var. interior (Fassett) Dore in Wild-rice: 20
1990. Zizania aquatica ssp. interior (Fassett) S.L.Chen in Y.W.Yuan & al.

Interior wild rice Native, CoC: 10,
SH

OBL

Annual,
Graminoid
 
NYFA: Jefferson (1921)
iNat: no NY observations
GBIF: none in NY

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Luziola
edit
Tropical American watergrass was not known to be present in the United States until it was discovered to have invaded Lake Okeechobee, in southern Florida around 2008. As of 2014, it was not known to occur in USDA plant hardiness zones of 9 or lower (the highest zone in New York is 7).[1] Despite its unlikely hardiness in the Northeast, Luziola subintegra is being tracked by iMapInvasives in Florida, New York, New Jersey, and Vermont.[2]
Poales — Poaceae — Oryzoideae — Oryzeae — Zizaniinae — Luziola
Genus Luziola Watergrass N.Y. Status Images Distribution NY NPT
Swallen

1943. Luziola subintegra Swallen
Tropical American watergrass
Large watergrass
Introduced from
 Mexico,
Potentially invasive,
iMapInvasives,
 GRIIS-US: Invaisve,
Regulated

NYFA: Not listed
GBIF
Florida only

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Tribe Ehrharteae

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Ehrharta

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Ehrharta erecta, NSW, Australia
In North America, Ehrharta erecta (panic veldtgrass) is primarily present in California and the west coast of Mexico.
Poales — Poaceae — Oryzoideae — Ehrharteae — Ehrharta
Genus Ehrharta Veldtgrass N.Y. Status Images Distribution NY NPT
Lam.

1786. Ehrharta erecta Lam.
1855. Ehrharta abyssinica Hochst.
Panic veldtgrass

Introduced from
 Eritrea to South Africa,
 Réunion,
 Arabian Peninsula,
Highly invasive,
 NYIS Tier: 1b,
 Invasive.org: [1],
 GRIIS-US: invasive (category D2)
 
NYFA: Not listed
GBIF
No observations

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Subfamily Bambusoideae

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The bamboo subfamily, Bambusoideae Luerss. (1893). Synonyms: Olyroideae Pilg. (1956), Parianoideae Butzin (1965).

Tribe Arundinarieae

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The Arundinarieae contains about 500 temperate woody bamboo species. Most are native to Asia, with only three native to the Western Hemisphere. However, all bamboo species that are known to have naturalized in New York are considered to be invasive or potentially invasive.

Subtribe Arundinariinae

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{{../txt--> |Subtribe Arundinariinae Nees ex Lindl. (1836) contains Acidosasa, Ampelocalamus, Arundinaria, Bashania, Bergbambos, Chimonobambusa, Chimonocalamus, Drepanostachyum, Fargesia, Ferrocalamus, Gaoligonshania, Gelidocalamus, Himalayacalamus, Indocalamus, Indosasa, Kuruna, Oldeania, Oligostachyum, Phyllostachys, Pleioblastus, Pseudosasa, Sarocalamus, Sasa, Sasaella, Sasamorpha, Semiarundinaria, Shibataea, Sinobambusa, Thamnocalamus, Vietnamocalamus, Yushania.[1] }}

Arundinaria
edit
 
Arundinaria gigantea
The three North American bamboo or cane species comprise the genus Arundinaria and are from the southeastern United States.[2] [3] Although listed in New York's Non-Native Plant Species Invasiveness Assessment as moderately invasive,[4] both of these species have been excluded from the New York Flora Atlas.
Poales — Poaceae — Bambusoideae — Arundinarieae — Arundinariinae — Arundinaria
Genus Arundinaria Cane N.Y. Status Images Distribution NY NPT
 (Walter) Muhl.

1788. Arundo tecta Walter
1813. Arundinaria tecta Muhl.
1871. A. macrospermavar. tecta Alph.Wood
1893. A. giganteavar. tecta Scribn
1973. A. giganteassp. tecta McClure
Switch cane Introduced from
 southern US,
Moderately invasive,
 NYIS: 60%[1],
Excluded
  excluded
NYFA-Excluded

USDA-N0
ARS-GRIN
ITIS
Tropicos
BONAP
Images
Wikispecies
 (Walter) Muhl.

1788. Arundo gigantea Walter
1803. Arundinaria macrosperma Michx.
1813. Arundinaria gigantea Muhl.
1818. Miegia gigantea Nutt.
1973. A. giganteassp. macrosperma McClure
Giant cane,
River cane,
Canebreak bamboo
Introduced from
 southern US,
Potentially invasive,
 NYIS: 60%[1],
Excluded
  excluded
NYFA-Excluded

USDA-N0
ARS-GRIN
ITIS
Tropicos
BONAP
Images
Wikispecies
Phyllostachys
edit
 
Phyllostachys aurea
The two Asian bamboo (Phyllostachys) species P. aureosulcata and P. aurea are listed as highly invasive if they are found to naturalize in New York.[1]

Confirmed presence records in iMapInvasives for unknown Phyllostachys species include:

In addition there have been well over 20 confirmed records from Long Island and Staten Island.[2]


Poales — Poaceae — Bambusoideae — Arundinarieae — Arundinariinae — Phyllostachys
Genus Phyllostachys Bamboo N.Y. Status Images Distribution NY NPT
 McClure

1945. Phyllostachys aureosulcata McClure
1980. P. aureosulcata f. spectabilis
Yellow-groove bamboo Introduced from
 China,
Potentially invasive,
 NYIS: 71%[1],
 NYIS Tier: Untiered,
iMapInvasives,
 Invasive.org: [2],
 GRIIS-US: Invasive
 
NYFA: 0
NYFA: not listed
iNat
GBIF
5 counties

USDA-X0
ARS-GRIN
ITIS
Tropicos
Images
Wikispecies
 Carrière ex Rivière & C.Rivière

1878. Phyllostachys aurea Rivière & al.
Golden bamboo,
Fish-pole bamboo
Introduced from
 China, Taiwan,
Potentially invasive,
 NYIS: 71%[1],
iMapInvasives,
 Invasive.org: [3],
Not listed in NY Flora Atlas
 
NYFA: 0
NYFA: Not listed
iNat
Ulster (2020)

USDA-X0
ARS-GRIN
Images
Wikispecies
McClure

1945. Phyllostachys dulcis McClure
Sweetshoot bamboo

白哺鸡竹 bai bu ji zhu
Introduced from
 China,
Highly invasive,
 NYIS Tier: 1a,
 Invasive.org: [4],
 GRIIS-US: Alien, Present,
Not listed in NY Flora Atlas
 
NYFA: 0
NYFA: 0 counties
iNat
GBIF
0 counties

Images
Wikispecies
McClure

1945. Phyllostachys nuda McClure
Nude sheath bamboo

Introduced from
 China, Taiwan,
Moderately invasive,
 NYIS Tier: buffer,
 Invasive.org: [5],
Not listed in NY Flora Atlas
 
NYFA: 0
NYFA: Not listed
iNat
GBIF
0 counties

ARS-GRIN
Images
Wikispecies
Pseudosasa
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Poales — Poaceae — Bambusoideae — Arundinarieae — Arundinariinae — Pseudosasa
Genus Pseudosasa Arrow bamboo N.Y. Status Images Distribution NPT
 (McClure) Keng f. ex S.L.Chen et al.

1931. Arundinaria amabilis McClure
1957. Pseudosasa amabilis Keng f. nom. inval.
1996. Pseudosasa amabilis S.L.Chen et al.
Arrow bamboo,
Tea-stick bamboo,
Tonkin cane
Introduced from
 China,
Potentially invasive
 
NYFA: 0

USDA-00
ARS-GRIN
ITIS
Tropicos
Images
Wikispecies
 (Siebold & Zucc. ex Steud.) Makino ex Nakai

1854. Arundinaria japonica Siebold & al.
1912. Sasa japonica Makino
1920. Pseudosasa japonica Makino nom. inval.
1925. Pseudosasa japonica Nakai
Arrow bamboo Introduced from
 Japan, Korea,
Potentially invasive,
 NYIS: 55%[1]
 
NYFA: 0

USDA-X0
Go Botany
ARS-GRIN
ITIS
Tropicos
Images
Wikispecies
Sasa
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Sasa palmata
Broad-leaved bamboo (Sasa palmata) is on the iMapInvasives New York species list, which indicates that the species is being tracked in New York, Oregon, and New Jersey.[1] No plants of this genus are currently listed in the New York Flora Atlas.[2]
Poales — Poaceae — Bambusoideae — Arundinarieae — Arundinariinae — Sasa
Genus Sasa Broad-leaved bamboo N.Y. Status Images Distribution NY NPT
(Burb.) E.G.Camus

1890. Bambusa palmata Burb.
1913. Sasa palmata (Burb.) E.G.Camus
Broad-leaved bamboo

Introduced,
Potentially invasive,
iMapInvasives
 
NYFA: Not Listed
iNat
GBIF
no observations

Images
Wikispecies
Pleioblastus
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Pleioblastus pygmaeus
Pygmy bamboo (Pleioblastus distichus) was collected at Central Park, Arsenal and Zoo, Red Panda enclosure, between 63rd and 64th Streets and between 5th and 6th Avenues in 2016.[1]
Poales — Poaceae — Bambusoideae — Arundinarieae — Arundinariinae — Pleioblastus
Genus Pleioblastus Pygmy bamboo N.Y. Status Images Distribution NY NPT
(Mitford) Nakai

    Pleioblastus distichus
Pygmy bamboo

Introduced,
Potentially invasive,
iMapInvasives
 
NYFA: xx counties
iNat
GBIF
xx counties

Images
Wikispecies

    Pleioblastus
Pygmy bamboo

Introduced,
Potentially invasive,
iMapInvasives,
Not naturalized
 
NYFA: Xm
NYFA: Orange (1995)
iNat
GBIF
no observations

Images
Wikispecies