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Flora of New York/Cyperaceae 3

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Family Cyperaceae (cont'd)

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Subfamily Cyperoideae (cont'd)

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Tribe Eleocharideae

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Eleocharis
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There are approximately 28 species of Eleocharis (spike-rush) found in New York. They are arranged here according to the system used in Flora of North America.[1]
  1. ↑ S. Galen Smith, Jeremy J. Bruhl, M. Socorro González-Elizondo & Francis J. Menapace. "8. ELEOCHARIS", Flora of North America Vol. 23
Eleocharis subg. Limnochloa
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Limnochloa
Genus Eleocharis subg. Limnochloa Spikerush N.Y. Status Images Distribution NY NPT
 Oakes
1841. Eleocharis robbinsii Oakes
    
    
 Robbin's spike-rush,
Robbins' spikerush,
Éléocharide Robbins 		Native,
Rare 		 
NYFA: 3
USDA-NN
ITIS
FNA
Images
Wikispecies
(Elliott) Torr.
1816. Scirpus equisetoides Elliott
1832. Eleocharis elliottii A.Dietr. (i)
1836. E. equisetoides (Elliott) Torr.
1852. Limnochloa equisetoides
(Elliott) Walp.
 Horse-tail spike-rush,
Jointed spikesedge,
Jointed spikerush,
Knotted spike-rush 		Native,
Threatened 		 
NYFA: 2
USDA-NN
ITIS
FNA
Tropicos
Images
Wikispecies
(Michx.) Roem. & Schult.
    Scirpus quadrangulatus Michx.
    
    
 Squarestem spikerush,
Square-stemmed spike-rush 		Native,
Endangered 		 
NYFA: 1
USDA-NN
Images
Wikispecies
Genus Eleocharis subg. Limnochloa (excluded taxa) Spikerush N.Y. Status Images Distribution NY NPT
(Vahl) Roem. & Schult.
1805. Scirpus interstinctus Vahl
1817. Eleocharis interstincta
(Vahl) Roem. & Schult.
1920. Trichophyllum interstinctum
(Vahl) House
 Knotted spikerush N. America native,
N.Y. excluded 		 
NYFA-Excluded
USDA-N0
FNA
Tropicos
BONAP
Images
Wikispecies
(L.) Roem. & Schult.
1759. Scirpus mutatus L
1817. E. mutata (L.) Roem. & Schult.
1920. Trichophyllum mutatum
(L.) House
 Scallion grass Introduced,
N.Y. excluded
OBL
NYFA-Excluded
USDA-00
ITIS
Tropicos
Images
Wikispecies
Eleocharis subg. Scirpidium
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Scirpidium
Genus Eleocharis Spikerush N.Y. Status Images Distribution NY NPT
(L.) Roem. & Schult. (1817)
 Needle spike-rush,
Needle spikesedge,
Dwarf hair-grass,
Scirpe épingle,
Éléocharide aciculaire 		Native,
Secure 		 
NYFA: 5
USDA-NN
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ARS-GRIN
ITIS
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(A.Gray) A.Gray ex Britton (1876)
Scirpus wolfii A.Gray
 Wolf’s spike-rush,
Wolf’s spikerush 		Introduced,
Midwest native,
Impersistent 		 
NYFA: Xm
USDA-N0
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ITIS
FNA
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Wikispecies
Eleocharis subg. Zinserlingia
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Zinserlingia
Genus Eleocharis Spikerush N.Y. Status Images Distribution NY NPT
(Hartmann) O. Schwarz
1767. Scirpus quinqueflorus Hartmann
1777. Scirpus pauciflorus Lightf.
1827. E. pauciflora (Lightf.) Link
1949. E. quinqueflora
(Hartmann) O. Schwarz
 Few-flowered spike-rush,
Fewflower spikerush,
Fewflowered spikesedge,
Éléocharide à cinq fleurs 		Native,
Vulnerable 		 
NYFA: 3?
USDA-NN
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FNA
Tropicos
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Eleocharis subg. Eleocharis sect. Parvulae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis
Genus Eleocharis sect. Parvulae Spikerush N.Y. Status Images Distribution NY NPT
(Roem. & Schult.) Link ex
Bluff, Nees & Schauer
1815. Scirpus nanus Spreng.
1817. Scirpus parvulus Roem. & Schult.
1836. E. parvula (Roem. & Schult.)
Link ex Bluff, Nees & Schauer
1836. E. pygmaea Torr.
1888. E. parvula
(Roem. & Schult.) Palla (i)
 Salt-loving spike-rush,
Dwarf spikerush,
Dwarf spike-rush,
Small spike-rush,
Little-head spikerush
Ėléocharide naine 		Native, CoC: 7,
Likely secure
Perennial 		 
NYFA: 4?
USDA-NN
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FNA
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Eleocharis subg. Eleocharis sect. Eleogenus ser. Maculosae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleogenus
Genus Eleocharis ser. Maculosae Spikerush N.Y. Status Images Distribution NY NPT
 (Poir.) Urb.
var. olivacea (Torr.) Gleason
1836. Eleocharis olivacea Torr.
1935. E. flaccidavar. olivacea
1952. E. flavescensvar. olivacea
 Yellow spike-rush,
Green spike-rush,
Bright green spikerush
Éléocharide olivâtre 		Native,
Secure 		 
NYFA: 5
USDA-NN
FNA
Images
Wikispecies
Genus Eleocharis ser. Maculosae (excluded taxa) Spikerush / spikesedge N.Y. Status Images Distribution NY NPT
 (Poir.) Urb.
var. flavescens
1805. Scirpus flavescens Poir.
1900. E. flaccida (Rchb. ex A.Spreng.) Urb.
1903. E. flavescens (Poir.) Urb.
 Yellow spikerush N. America native,
N.Y. excluded 		 
NYFA-Excluded
USDA-N0
FNA
Tropicos
Images
Wikispecies
(L.) Roem. & Schult.
1753. Scirpus geniculatus L.
1817. E. geniculata (L.) Roem. & Schult.
    
 Canada spikesedge N. America native,
N.Y. excluded
NYFA-Excluded
USDA-NN
FNA
Tropicos
Images
Wikispecies
Eleocharis subg. Eleocharis sect. Eleogenus ser. Ovatae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleogenus
Genus Eleocharis ser. Ovatae Spikerush / Spikesedge N.Y. Status Images Distribution NY NPT
 (Willd.) Schult.
1809. Scirpus obtusus Willd.
1824. Eleocharis obtusa (Willd.) Schult.
1926. E. ovatavar. obtusa
 Blunt spikerush,
Blunt spike-rush
Éléocharide obtuse 		Native,
Secure 		 
NYFA: 5
USDA-NN
Go Botany
ITIS
FNA
Tropicos
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(Roth) Roem. & Schult. (1817)
    
    
    
 Ovate spikerush,
Ovate spike-rush
Éléocharide ovale 		Native,
Threatened 		 
NYFA: 1-2
USDA-NN
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ITIS
FNA
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Steud. (1855)
1889. E. ovatavar. engelmannii
1899. E. monticola Fernald
1946. E. obtusavar. engelmannii
 Engelmann spike-rush,
Engelmann's spikerush,
Engelmann's spike-rush 		Native,
Endangered 		 
NYFA: 1
USDA-NN
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ITIS
FNA
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Wikispecies
D.M.Hines ex A.Haines (2001)
    
    
    
 Tidal spikerush,
Tidal spike-rush 		Native,
Endangered
NYFA: 1
USDA-NN
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ITIS
FNA
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Wikispecies
 C.Wright (1883)
    
    
    
 Wright's spikerush,
Wright's spike-rush,
Wright's spikesedge 		Native,
Endangered
NYFA: 1
USDA-NN
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ITIS
FNA
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Wikispecies
Eleocharis subg. Eleocharis sect. Eleocharis ser. Eleocharis
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleocharis
Genus Eleocharis ser. Eleocharis Spikerush N.Y. Status Images Distribution NY NPT
 Steud.
1823. Scirpus glaucus Torr. *nom. illeg.
1841. Eleocharis palustris  var. australis  Nees
1843. Eleocharis calva Torr.
1848. Eleocharis palustris  var. calva  (Torr.) A.Gray
1855. Eleocharis erythropoda Steud.
1920. Trichophyllum palustre  var. calvum  (Torr.) House
1929. E. calva (A.Gray) Torr. ex Fernald & Brackett
 Red-footed spike-rush,
Bald spikerush,
Bald spikesedge,
Bald spike-rush
Éléocharide à tiges rouges 		Native, CoC: 4,
Secure
OBL
Perennial,
Graminoid 		 
NYFA: 5
USDA-NN
Kew WCSP
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FNA
Tropicos
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Wikispecies
(Willd.) Schult.
var. tenuis
1809. Scirpus tenuis Willd.
1824. E. tenuis (Willd.) Schult.
 auct. E. elliptica non Kunth
 auct. E. Capitata non (L.) R. Br.
 Slender spike-rush,
Dog’s hair
Éléocharide grêle 		Native, CoC: 4,
Secure
Perennial,
Graminoid 		 
NYFA: 5
USDA-NN
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ITIS
FNA
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Wikispecies
(Willd.) Schult.
var. pseudoptera
(Weath.) Svenson
1932. E. capitatavar. pseudoptera
1939. E. tenuisvar. pseudoptera
1972. E. ellipticavar. pseudoptera
 Slender spikerush,
Slender spike-rush
Éléocharide à tige ailée 		Native, CoC: 4,
Endangered,
NYNHP: 1[1]
Perennial,
Graminoid 		 
NYFA: 1
USDA-NN
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 Kunth
1837. E. elliptica Kunth
1932. E. capitatavar. borealis
1932. E. compressavar. atrata
1952. E. tenuisvar. borealis
1960. E. compressavar. borealis
 Elliptic spike-rush,
Elliptic spikerush,
Slender spike-rush
Éléocharide elliptique 		Native, CoC: 5,
Secure
Perennial,
Graminoid
NYFA: 5
USDA-NN
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ITIS
FNA
Tropicos
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Wikispecies
(L.) Roem. & Schult.
1753. Scirpus palustris L.
1817. E. palustris
(L.) Roem. & Schult.
    E. smallii Britton
    E. calvavar. australis
 Common spike-rush,
Creeping spike-rush,
Marsh spike-rush
Éléocharide des marais 		Native, CoC: 5,
Secure
OBL
Perennial,
Graminoid 		 
NYFA: 5
USDA-NN
Go Botany
ARS-GRIN
ITIS
FNA
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Wikispecies
(Link) Schult.
var. halophila
    
    
    
 Salt-marsh spike-rush
Éléocharide unigume 		Native, CoC: 8,
Threatened,
NYNHP: 2[2]
OBL
Perennial,
Graminoid 		 
NYFA: 2
USDA-NN
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Tropicos
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Sull.
var. compressa
1842. E. compressa Sull.
    E. ellipticavar. compressa
    E. ellipticavar. atrata
 Flatstem spikerush,
Flat-stemmed spike-rush
Éléocharide comprimée 		Native, CoC: 9,
Unranked
Perennial,
Graminoid 		 
NYFA: U
USDA-NN
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FNA
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 Torr.
    
    
    
 Three-ribbed spike-rush,
Three-angled spike-rush 		Native, CoC: 10,
Endangered,
NYNHP: 1[3]
OBL-FACW
Perennial,
Graminoid 		 
NYFA: 1
USDA-N0
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Wikispecies
Fernald
1922. E. fallax Weath. p.p.
1935. E. ambigens Fernald
 Ambiguous spikerush,
Obscure spikerush,
Creeping spikerush
Éléocharide ambiquë 		Native, CoC: 10,
Endangered
OBL
Perennial,
Graminoid 		 
NYFA: 1
USDA-NN
Go Botany
VASCAN
ITIS
FNA
Tropicos
Images
Wikispecies
Genus Eleocharis ser. Eleocharis (excluded taxa) Spikerush N.Y. Status Images Distribution NY NPT
 Weath.
1922. E. fallax Weath.
1935. E. ambigens Fernald
    
    
 Creeping spikerush N. America native,
N.Y. excluded
OBL
Perennial,
Graminoid 		 
NYFA-Excluded
USDA-NN
Go Botany
FNA
Tropicos
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Wikispecies
  1. ↑ New York Natural Heritage Program. 2024. Online Conservation Guide for Eleocharis tenuis var. pseudoptera. Endangered, S1/G5T5?.
  2. ↑ New York Natural Heritage Program. 2024. Online Conservation Guide for Eleocharis uniglumis var. halophila. Threatened, S2/G4.
  3. ↑ New York Natural Heritage Program. 2024. Online Conservation Guide for Eleocharis tricostata. Endangered, S1/G4.
Eleocharis subg. Eleocharis sect. Eleocharis ser. Tenuissimae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleocharis
Genus Eleocharis ser. Tenuissimae Spikerush / Spikesedge N.Y. Status Images Distribution NY NPT
 Schult.
 Intermediate spike-rush,
Matted spike-rush 		Native, CoC: 8,
Likely secure
OBL-FACW
Perennial,
Graminoid
NYFA: 4
USDA-NN
Go Botany
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Wikispecies
Long-tubercled spike-rush Native, CoC: 10,
Threatened
OBL-FACW
Perennial,
Graminoid 		 
NYFA: 2
USDA-NN
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Wikispecies
 (Link) Schult.
1820. Scirpus tortilis Link
1824. E. tortilis (Link) Schult.
 auct. E. simplex non A.Dietr. 1832
 Twisted spike-rush,
Twisted spike-sedge 		Native, CoC: 10,
No recent reports 		 
NYFA: Z
USDA-N0
ARS-GRIN
ITIS
FNA
Tropicos
Images
Wikispecies
 Torr.
var. filiculmis Torr.
 Small-fruited spike-rush Native,
Unknown 		 
NYFA: U
Images
Wikispecies
Eleocharis subg. Eleocharis sect. Eleocharis ser. Melanocarpae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleocharis
Genus Eleocharis ser. Melanocarpae Spikerush N.Y. Status Images Distribution NY NPT
 Torr.
1836. Eleocharis melanocarpa Torr.
1866. Scirpus melanocarpus
(Torr.) Griseb.
1891. Scirpus melanocarpus
(Torr.) Kuntze
 Black-fruited spike-rush Native, CoC: 10,
Rare
FACW
Perennial,
Graminoid 		 
NYFA: 3
USDA-N0
FNA
Tropicos
Images
Wikispecies
Eleocharis subg. Eleocharis sect. Eleocharis ser. Rostellatae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleocharis
Genus Eleocharis ser. Rostellatae Spikerush / Spikesedge N.Y. Status Images Distribution NY NPT
 (Torr.) Torr.
1836. Scirpus rostellatus Torr.
1843. E. rostellata (Torr.) Torr.
 Beaked spikerush,
Beaked spike-rush,
Beaked spikesedge,
Walking sedge 		Native,
Likely secure 		 
NYFA: 4
USDA-NN
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Eleocharis subg. Eleocharis sect. Eleocharis ser. Albidae
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Poales — Cyperaceae — Cyperoideae — Eleocharideae — Eleocharis subg. Eleocharis sect. Eleocharis
Genus Eleocharis ser. Albidae (excluded taxa) Spikerush N.Y. Status Images Distribution NY NPT
 Torr
1836. Eleocharis albida Torr.
    
    
 White spikerush N. America native,
N.Y. excluded 		 
NYFA-Excluded
USDA-N0
FNA
Tropicos
Images
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Tribe Abildgaardieae

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Bulbostylis
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Bulbostylis capillaris
Dense-tuft hair sedge (Bulbostylis capillaris) is a small annual sedge commonly found in disturbed, well-drained, sandy soil, often along roadsides.
Poales — Cyperaceae — Cyperoideae — Abildgaardieae — Bulbostylis
Genus Bulbostylis Kunth Hairsedge N.Y. Status Images Distribution NY NPT
(L.) Kunth ex C.B.Clarke
1753. Scirpus capillaris L.
1893. Fimbristylis capillaris (L.) A.Gray
1894. Stenophyllus capillaris (L.) Britton
Tufted hair sedge ⓘ
Tufted hair-sedge ⓘ
Densetuft hairsedge ⓘ
Hair sedge ⓘ
Native, CoC: 0,
Secure
FACU
Annual,
Graminoid 		 
NYFA: 5
iNat
USDA-NN
WFO
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Fimbristylis
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Poales — Cyperaceae — Cyperoideae — Abildgaardieae — Fimbristylis
Genus Fimbristylis Vahl Fimbry N.Y. Status Images Distribution NY NPT
(L.) Roem. & Schult.
    Scirpus autumnalis L.
    F. autumnalis (L.) Roem. & Schult.
    F. geminata (Nees) Kunth
 Autumn fimbry,
Slender fimbry 		Native, CoC: 5,
Secure
OBL-FACW
Annual,
Graminoid 		 
NYFA: 5
USDA-NN
Images
Wikispecies
(Michx.) Vahl
    Scirpus castaneus Michx.
    
    
 Marsh fimbry Native, CoC: 10,
Threatened
OBL-FACW
Perennial,
Graminoid 		 
NYFA: 2
USDA-N0
Images
Wikispecies
 (Michx.) Vahl
var. puberula
    
    Fimbristylis puberula (Michx.) Vahl
    
 Hairy fimbry Native, CoC: 10,
Likely extirpated
OBL-FACW
Perennial,
Graminoid 		 
NYFA: Z
USDA-NN
Images
Wikispecies
Genus Fimbristylis (excluded taxa) Fimbry N.Y. Status Images Distribution NY NPT
(Lam.) Fernald
1791. Scirpus carolinianus Lam.
1913. Fimbristylis harperi Britton
1940. Fimbristylis caroliniana Fernald
 Carolina fimbry N. America native,
N.Y. excluded 		 
NYFA-Excluded
USDA-N0
Images
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Tribe Bolboschoeneae

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Tribe Bolboschoeneae (Tatanov) J. R. Starr
Bolboschoenus
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Bolboschoenus fluviatilis
Bolboschoenus species are known as tuberous bulrushes or tuber-bulrushes. This genus has also been considered to be a section of Scirpus, which is similar but has spikelets that are usually smaller and more numerous.
Poales — Cyperaceae — Cyperoideae — Fuireneae — Bolboschoenus
Genus Bolboschoenus Tuberous bulrush N.Y. Status Images Distribution NY NPT
(Torr.) Soják
1836. Scirpus maritimusvar. fluviatilis
1856. Scirpus fluviatilis (Torr.) A.Gray
1972. B. fluviatilis (Torr.) Soják
1981. B. maritimusssp. fluviatilis
1993. Schoenoplectus fluviatilis
M.T.Strong
 River bulrush,
River tuber-bulrush
Bolboschoenus fluviatile,
Scirpe fluviatile 		Native, CoC: 4,
Secure
OBL 		 
NYFA: 5
USDA-NN
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(Pursh) Soják
    Scirpus robustus Pursh
    Schoenoplectus robustus
1972. B. robustus (Pursh) Soják
 Sea-coast bulrush,
Saltmarsh bulrush,
Sturdy bulrush 		Native, CoC: 9,
Vulnerable
OBL 		 
NYFA: 3-4
USDA-NN
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(L.) Palla
ssp. paludosus
(A.Nelson) T.Koyama
1899. Scirpus paludosus A.Nelson
1905. Scirpus pacificus Britton ex Parish
1926. Scirpus maritimusvar. paludosus
1971. Schoenoplectus maritimus
(L.) Lye
1980. B. maritimusssp. paludosus
 American
  saltmarsh bulrush,
Seaside bulrush,
Cosmopolitan bulrush,
Prairie bulrush
Bolboschoenus
    des marais salés,
Scirpe des marais salés 		Native, CoC: 8,
Threatened
OBL 		 
NYFA: 2
USDA-NN
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(L.) Palla
ssp. maritimus
    
    
    
 European
  saltmarsh bulrush 		Introduced,
Unk. naturalization
OBL 		 
NYFA: Xu
USDA-N?M
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(Britton) S.G.Sm.
    Schoenoplectus novae-angliae
    Scirpus novae-angliae Britton
1995. B. novae-angliae (Britton) S.G.Sm.
 New England bulrush,
Saltmarsh bulrush 		Native, CoC: 10,
Endangered
OBL 		 
NYFA: 1
USDA-N0
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(Lam.) S.G.Sm.
1791. Scirpus glaucus Lam.
1834. Scirpus maritimusvar. glaucus
1995. B. glaucus (Lam.) S.G.Sm.
1999. Schoenoplectus glaucus
(Lam.) Kartesz
 auct. Scirpus tuberosus non Desf.
 Tuberous bulrush Introduced,
Unk. naturalization
OBL
NYFA: X
USDA-X0
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IPN
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Tribe Fuireneae

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Fuirena
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Poales — Cyperaceae — Cyperoideae — Fuireneae — Fuirena
Genus Fuirena Rottb. Umbrella-sedge N.Y. Status Images Distribution NY NPT
 (Torr.) Spreng.
1824. Fuirena squarrosa  var. pumila  Torr.
1825. Fuirena pumila (Torr.) Spreng.
1833. Fuirena torreyana L.C.Beck
1890. Fuirena simplex  var. pumila  (Torr.) C.B. Clarke ex Coville
Dwarf umbrella-sedge ⓘ
Dwarf umbrella-grass ⓘ
Native, CoC: 10,
Rare,
S2, G4
OBL
Annual,
Graminoid 		  Orange, Suffolk
NYFA: 3
USDA-NN
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 Michx.
1803. Fuirena squarrosa Michx.
1821. Fuirena hispida Elliott
1860. Fuirena squarrosa  var. hispida  (Elliott) Chapm.
 Hairy umbrella-sedge Native, CoC: 10,
Likely extirpated,
SX
OBL,
Graminoid 		  Long Island (no county)
NYFA: U[1]
USDA-N0
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  1. ↑ The New York Flora Atas states: "All studied vouchers reported as Fuirena squarrosa from New York sites have been annotated to Fuirena pumila." The USDA-NRCS PLANTS database, however, shows F. squarrosa present on Long Island, but no protected status is given for New York. Flora of North America also shows F. squarrosa present in N. Y.

Tribe Schoenoplecteae

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Schoenoplectus
edit

Schoenoplectus (bulrush) has been separated from Scirpus due to phylogenetic differences.

The Schoenoplectus sections used here are from Flora of North America.

Poales — Cyperaceae — Cyperoideae — Fuireneae — Schoenoplectus
Genus Schoenoplectus sect. Schoenoplectus Bulrush N.Y. Status Images Distribution NY NPT
(Vahl) Palla
var. pungens
    Scirpus pungens Vahl
1888. Sch. pungens (Vahl) Palla
    Scirpus americanusvar. polyphyllus
    Scirpus pungensvar. polyphyllus
 auct. Scirpus americanus non Pers.
 Three-square bulrush,
Common three-square
 bulrush,
Chair-maker’s rush,
Sharp club-rush,
Scirpe acere 		Native,
Secure 		 
NYFA: 5
USDA-NN
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(Pers.) Volkart ex Schinz & R.Keller (1905)
    Scirpus americanus Persoon
    Scirpus olneyi A.Gray
    Scirpus pungensvar. longisetus
    Scirpus pungensssp. monophyllus
    
 Three-square bulrush,
Olney’s three-square
 bulrush,
Chairmaker's bulrush,
American bulrush 		Native,
Secure 		 
NYFA: 5
USDA-NN
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(Muhl. ex Bigelow) Á.Löve & D.Löve (1954)
var. acutus
    Scirpus acutus
    Schoenoplectus lacustrisssp. acutus
    
 Hardstem bulrush,
Hard-stemmed bulrush,
Scirpe aigu 		Native,
Secure 		 
NYFA: 5
USDA-NN
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(Gmel.) Palla
 Softstem bulrush,
Soft-stemmed bulrush,
Great bulrush
Scirpe des étangs 		Native,
Secure 		 
NYFA: 5
USDA-NN
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(Chase) Soják
 Slender bulrush Native, CoC: 9,
Endangered 		 
NYFA: 2
USDA-NN
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Wikispecies
(T. Koyama) Soják
[ acutus × heterochaetus ]
 Oblong bulrush Native,
Unranked
NYFA: U
Images
Wikispecies
S. acutus × tabernaemontani
 Bulrush Native,
Unranked
NYFA: U
Images
Wikispecies
Genus Schoenoplectus sect. Malacogeton Bulrush N.Y. Status Images Distribution NY NPT
(Torr.) Soják
 Water bulrush Native, CoC: 10,
Secure 		 
NYFA: 5u
USDA-NN
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(Olney) Palla
 Torrey's bulrush,
Torrey’s three-square
 bulrush 		Native, CoC: 10,
Threatened
OBL 		 
NYFA: 2
USDA-NN
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Tribe Pseudoschoeneae

edit
Tribe Pseudoschoeneae contains the genus Schoenoplectiella.[1]
  1. ↑ Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 14, July 2017 (Page last updated: 05/25/2021). http://www.mobot.org/MOBOT/research/APweb/
Schoenoplectiella
edit
 
Schoenoplectiella purshiana
Schoenoplectiella (bulrush) has been separated from Schoenoplectus and Scirpus due to phylogenetic differences. In New York State, this comprises the annual, cespitose bulrush species.[1]
  1. ↑ MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 23, 2021. https://michiganflora.net/genus.aspx?id=Schoenoplectiella.
Poales — Cyperaceae — Cyperoideae — Fuireneae — Schoenoplectiella
Genus Schoenoplectiella Bulrush N.Y. Status Images Distribution NY NPT
(Fernald) Lye
var. purshiana
    Schoenoplectiella purshiana
    Scirpus purshianus Fernald
    Scirpus debilis Pursh
    Schoenoplectus purshianus
var. purshianus
    Scirpus smithii  var. williamsii  
Weak-stalked bulrush ⓘ
Weakstalk bulrush ⓘ
Weak-stalk club-rush ⓘ
Native, CoC: 6,
Likely secure
OBL
Annual,
Graminoid 		 
NYFA: UN
USDA-NN
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(A. Gray) Hayasaka
var. smithii
    Schoenoplectiella smithii in…
    Scirpus smithii  var. smithii  {{{5}}}
    Schoenoplectus smithii  var. smithii  {{{5}}}
Smith’s bulrush ⓘ
Native, CoC: 10,
Rare
OBL
Annual,
Graminoid 		 
NYFA: 4
iNat
USDA-NN
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Images
Wikispecies
(A. Gray) Hayasaka
var. setosa (Fernald) Hayasaka
    Scirpus smithii  var. setosus  Fernald
    Schoenoplectus smithii
var. setosus (Fernald) S.G. Sm.
    Schoenoplectiella smithii
var. setosa (Fernald) Hayasaka
Smith’s bristly bulrush ⓘ
Native, CoC: 10,
Endangered
OBL
Annual,
Graminoid 		 
NYFA: 1
iNat
USDA-NN
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VASCAN
FNA
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(L.) J. Jung & H.K. Choi
1753. Scirpus mucronatus L.
1888. Schoenoplectus mucronatus in…
2010. Schoenoplectiella mucronata in…
Bog bulrush ⓘ
Ricefield bulrush ⓘ
Roughseed bulrush ⓘ
Introduced from
 Eurasia,
 northern Africa,
 Australia,
Highly invasive,
Naturalized,
NTS Tier 2[1]
OBL
Perennial,
Graminoid 		 
NYFA: Xn
USDA-XX
Go Botany
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  1. ↑ New York State Invasive Species Tiers: Schoenoplectiella mucronata NYS-2. 2021 New York Natural Heritage Program

Tribe Cypereae

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Cyperus
edit
Most of the species of Cyperus (pronounced sie-PEER-us) go by common names containing flat-sedge, or in some cases umbrella-sedge, nut-sedge, or nut-grass.
Cyperus subg. Cyperus
edit
Poales — Cyperaceae — Cyperoideae — Cypereae — Cyperus subg. Cyperus[1]
Genus Cyperus subg. Cyperus sect. Neohemicarpha Dwarf bulrush N.Y. Status Images Distribution NY NPT
 (Muhl.) Bauters
yyyy. Scirpus micranthus Vahl
yyyy. Lipocarpha micrantha (Vahl) G.Tucker
yyyy. Hemicarpha micrantha (Vahl) Pax
yyyy. Cyperus subsquarrosus (Muhl.) Bauters
 Small-flowered dwarf bulrush,
Dwarf bulrush,
Smallflower halfchaff sedge 		Native,
Endangered 		 
NYFA: 5
USDA-NN
Images
Wikispecies
  1. ↑ Flora of North America Vol. 23, 15d. Cyperus subg. Cyperus


Cyperus subg. Diclidium
edit
Poales — Cyperaceae — Cyperoideae — Cypereae — Cyperus subg. Diclidium[1]
Genus Cyperus Flatsedge N.Y. Status Images Distribution NY NPT
 L.
 Fragrant flatsedge,
Rusty flatsedge 		Native,
Vulnerable 		 
NYFA: 3
USDA-NN
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  1. ↑ Flora of North America Vol. 23, 15e. Cyperus subg. Diclidium
Cyperus subg. Juncellus
edit
Poales — Cyperaceae — Cyperoideae — Cypereae — Cyperus subg. Cyperus[1]
Genus Cyperus subg. Juncellus Flatsedge N.Y. Status Images Distribution NY NPT
 L.
 False yellow nut sedge,
Straw-colored flatsedge,
False nutsedge 		Native, CoC: 3,
Secure
FACW
Perennial,
Graminoid 		 
NYFA: 5
USDA-NN
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Wikispecies
 L.
 Awned flatsedge,
Awned cyperus,
Bearded flatsedge,
Bearded flat sedge 		Native, CoC: 2,
Secure
OBL-FACW
Annual,
Graminoid 		 
NYFA: 5
USDA-NN
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Wikispecies
(Spreng.) Marcks
ssp. macilentus (Fernald) Marcks
 Eastern flatsedge,
Great Plains flatsedge 		Native, CoC: 4,
Secure
Perennial,
Graminoid 		 
NYFA: 5
USDA-NN
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Wikispecies
(Spreng.) Marcks
ssp. lupulinus
 Great Plains flatsedge Native, CoC: 8,
Threatened
Perennial,
Graminoid 		 
NYFA: 2
USDA-NN
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Wikispecies
 Muhl.
 Redroot flatsedge Native, CoC: 6,
Vulnerable 		 
NYFA: 3
USDA-NN
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Images
Wikispecies
 Torr.
 Gray's flatsedge Native, CoC: 8,
Vulnerable 		 
NYFA: 3
USDA-N0
Go Botany
Images
Wikispecies
 Torr.
 Houghton's flatsedge,
Houghton's umbrella-sedge 		Native, CoC: 8,
Vulnerable 		 
NYFA: 3
USDA-NN
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Wikispecies
Schweinitz's flatsedge Native, CoC: 7,
Rare 		File:Botanical and vegetation survey of Carter County, Montana, Bureau of Land Management-administered lands (1998) (20207931773).jpg
NYFA: 2-3
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Globe flatsedge,
Teasel sedge 		Native, CoC: 8,
Endangered 		 
NYFA: 1
USDA-N0
Go Botany
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Wikispecies
 Chapm.
 Reflexed flatsedge,
Cylindric sedge,
Pine barren flatsedge,
Retrorse flatsedge 		Native, CoC: 7,
Endangered 		 
NYFA: 1
USDA-N0
Go Botany
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 Fernald
1945. Cyperus plukenetii Fernald
 Plukenet's cyperus Native,
Likely extirpated
NYFA: Z
USDA-N0
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Tropicos
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 L.
 Poorland flatsedge Introduced,
US South native 		 
NYFA: X
USDA-N0
Go Botany
Images
Wikispecies
 L.
var. macrostachyus
 Chufa flatsedge,
Yellow nut-grass,
Yellow nutsedge 		Native, CoC: 1,
Unranked 		 
NYFA: X
USDA-N0
Go Botany
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 L.
var. leptostachyus
 Chufa flatsedge,
Yellow nut-grass,
Yellow nutsedge 		Native, CoC: 1,
Unranked 		 
NYFA: U
USDA-XX
Go Botany
Images
Wikispecies
 L.
 Ricefield flatsedge Introduced  
NYFA: X
USDA-XX
Go Botany
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Wikispecies
 Steud.
    Cyperus microiria Steud.
 auct. Cyperus amuricus
    
 Asian flatsedge Introduced,
Naturalized
NYFA: X
Go Botany
Images
Wikispecies
Purple flatsedge,
Purple nut-sedge,
Coco-grass 		Introduced,
Impersistent 		 
NYFA:
Go Botany
Images
Wikispecies
Genus Cyperus subg. Cyperus (excluded taxa) Flatsedge N.Y. Status Images Distribution NY NPT
 Vahl
1805. Cyperus filiculmis Vahl
1888. Cyperus martindalei Britton
1902. Chlorocyperus filiculmis
(Vahl) Falla
1974. Mariscus filiculmis
(Vahl) T. Koyama
1974. Cyperus lupulinus
(Spreng.) Marcks p.p.
 Slender cyprus,
Eastern flatsedge,
Great plains flatsedge 		N. America native,
N.Y. excluded
NYFA-Excluded
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1855. Cyperus microiria
Steud. (correct NY sp.)
1859. Cyperus amuricus
Maxim. (misapplied)
    
 Asian flatsedge Introduced,
N.Y. excluded
NYFA-Excluded
USDA-X0
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  1. ↑ Desmet, P., & Brouilet, L. 2013. Database of Vascular Plants of Canada (VASCAN): a community contributed taxonomic checklist of all vascular plants of Canada, Saint Pierre and Miquelon, and Greenland. PhytoKeys 25: 55-67. http://dx.doi.org/10.3897/phytokeys.25.3100
Cyperus subg. Kyllinga
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Poales — Cyperaceae — Cyperoideae — Cypereae — Kyllinga
Genus Cyperus subg. Kyllinga Spikesedge N.Y. Status Images Distribution NY NPT
Thieret & Delahouss.
1844. Cyperus brevifolus in…
1866. Kyllinga gracillima Miq.
1956. Cyperus brevifolus  var. leiolepis  (Franch. & Savigny) T. Koyama
1967. Cyperus brevifolioides in…
1987. Kyllinga brevifolioides in…
 Asiatic greenhead sedge,
Pasture spikesedge 		Introduced,
Rare 		 
NYFA: X
USDA-N0
Images
Wikispecies
(Salzm. ex Schltdl.) Dorr
1803. Kyllinga pumila Michx.
1849. K. hortensis Salzm. pro syn.
1855. K. tenuifolia Steud.
1936. Cyperus densicaespitosus in…
1944. C. tenuifolius (Steud.) Dandy
2014. C. hortensis in…
 Annual greenhead sedge,
Low spikesedge 		Introduced,
N. America native,
Rare 		 
NYFA: X
USDA-N0
FNA
Images
Wikispecies
Cyperus subg. Pycnostachys
edit
 
Cyperus dentatus
Cyperus subg. Pycnostachys contains about 150 species worldwide, with about 22 found in North America.[1] Of these, only Cyperus dentatus is considered native to New York State.
  1. ↑ Gordon C. Tucker, Brian G. Marcks, J. Richard Carter (2020). Cyperus subg. Pycnostachys in Flora of North America Vol.23.
Poales — Cyperaceae — Cyperoideae — Cypereae — Cyperus subg. Pycnostachys
Genus Cyperus Flatsedge N.Y. Status Images Distribution NY NPT
 Torr.
    Cyperus dentatus Torr.
 Toothed sedge,
Toothed flat sedge 		Native, CoC: 8,
Likely secure,
S4, G4
OBL-FACW
Perennial,
Graminoid 		 
NYFA: 3
iNat
USDA-NN
Images
Wikispecies
 Torr. & Hook.
    Cyperus acuminatus Torr. & Hook.
 Taper-tipped flatsedge,
Tapertip flatsedge,
Short-point flatsedge 		Introduced,
N. America native 		  NYFA: 2 counties
iNat: no observations
NYFA: X
iNat
USDA-NN
Images
Wikispecies
 L.
1753. Cyperus difformis L.
 Variable flatsedge Introduced,
Moderately invasive,
 NYIS: 52%[1] 		  NYFA: Queens (2012), Suffolk (2012)
iNat: Richmond (2015-19)
NYFA: Xn
iNat
USDA-X0
Images
Wikispecies
 Rottb.
 auct. C. alternifolius non L.
    C. alternifoliusssp. flabelliformis
    C. flabelliformis Rottb.
 Alternate-leaved flatsedge,
Umbrella-plant,
Umbrella papyrus 		Introduced,
Not naturalized,
Impersistent,
Cutivated 		  Bronx (1948)
NYFA: X
iNat
USDA-XX
Images
Wikispecies
  1. ↑ New York non-native plant invasiveness assessment – Cyperus difformis: Moderate (52).
Cyperus subg. Pycreus
edit
Poales — Cyperaceae — Cyperoideae — Cypereae — Cyperus subg. Pycreus
Genus Cyperus subg. Pycreus Flatsedge N.Y. Status Images Distribution NY NPT
 Torr.
1836. Cyperus bipartitus Torr.
1837. Cyperus rivularis Kunth
1907. Pycreus rivularis (Kunth) Palla
1908. Pycreus bipartitus (Torr.) C.B.Clarke
1958. Cyperus nigervar. rivularis
 Slender flatsedge,
Shining flatsedge
Souchet des rivières,
Souchet bipartite 		Native,
Secure
FACW
Annual,
Graminoid 		 
NYFA: 5
USDA-NN
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FNA
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 Torr.
1819. Cyperus diandrus Torr.
1819. Torreya maritima (Torr.) Raf.
1908. Pycreus diander (Torr.) C.B.Clarke
 Umbrella flatsedge,
Low umbrella flatsedge,
Low cyperus
Souchet diandre 		Native,
Secure
OBL-FACW 		 
NYFA: 5?
USDA-NN
Go Botany
VASCAN
FNA
Images
Wikispecies
 Vahl
1805. Cyperus filicinus Vahl
1868. C. polystachyosvar. macrostachyos
    
 Fern flatsedge Native,
Rare
OBL
Annual-perennial,
Graminoid
NYFA: 3?
USDA-N0
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Tropicos
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 Rottb.
1773. Cyperus polystachyos Rottb.
1816. Pycreus polystachyos
(Rottb.) P.Beauv.
1828. Cyperus brizaeus J.Presl & C.Presl
 Many-spiked flat sedge,
Manyspike flatsedge,
Bunchy flat sedge 		Native,
Endangered
Annual-perennial,
Graminoid 		 
NYFA: 1-2
USDA-N0
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 L.
1753. Cyperus flavescens L.
1814. Cyperus poiformis Pursh
1830. Pycreus flavescens (L.) Rchb.
1939. Cyperus flavescensvar. poiformis
 Yellow flatsedge,
Yellow flat sedge,
Annual yellow flatsedge,
Pale flatsedge
Souchet jaunâtre 		Native,
Endangered
OBL
Annual,
Graminoid
NYFA: 1
USDA-NN
Go Botany
VASCAN
FNA
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 Michx.
1803. Cyperus flavicomus Michx.
    
    
 White-edged flat sedge,
Whiteedge flatsedge 		Introduced from
 southern US,
Impersistent
FAC
Annual,
Graminoid
NYFA: Xm
USDA-N0
FNA
Images
Wikispecies
Genus Scirpoides
edit
Poales — Cyperaceae — Cyperoideae — Cypereae — Scirpoides
Genus Scirpoides (excluded taxa) Bulrush N.Y. Status Images Distribution X NPT
 (L.) Soják
1753. Scirpus holoschoenus L.
1827. Holoschoenus vulgaris Link
1897. Holoschoenus romanus (L.) Fritsch
1972. Scirpoides holoschoenus (L.) Soják
 Round-headed bulrush,
Roundhead bulrush,
Roughhead bulrush 		Introduced from
 Eurasia,
 northern Africa,
N.Y. excluded 		 
NYFA-Excluded
USDA-X
ARS-GRIN
Tropicos
BONAP
Images
Wikispecies
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