Flora of New York/Cyperaceae 3

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Cyperaceae 2: Carex
Flora of New York — Cyperaceae (cont'd)
Poaceae 1: Panicoideae
Table of
contents
Genus
index
Protected species index Invasive species index


Family Cyperaceae (cont'd)[edit]

Subfamily Cyperoideae (cont'd)[edit]

Tribe Dulichieae[edit]

Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Dulichieae
Dulichium Threeway sedge N.Y. Status Images Distribution 1
 (L.) Britton
var. arundinaceum

Three-way sedge Native,
Secure
Dulichium arundinaceum NRCS-1.jpg
Dulichium arundinaceum var arundinaceum NY-dist-map.png
NYFA-5
USDA-NN






Images, wsp

Tribe Abildgaardieae[edit]

Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Abildgaardieae
BulbostylisKunth Hairsedge N.Y. Status Images Distribution 1
(L.) Kunth ex C.B.Clarke
ssp. capillaris

Fimbristylis capillaris (L.) A.GrayScirpus capillaris L.Stenophyllus capillaris (L.) Britton
Densetuft hairsedge Native,
Secure
Bulbostylis capillaris BB-1913.png
NYFA-5
USDA-NN






Images, wsp
FimbristylisVahl Fimbry N.Y. Status Images Distribution 4
(L.) Roem. & Schult.

Fimbristylis geminata (Nees) KunthScirpus autumnalis L.
Slender fimbry Native,
Secure
Fimbristylis autumnalis BB-1913-1.png
Fimbristylis autumnalis NY-dist-map.png
NYFA-5
USDA-NN






Images, wsp
(Michx.) Vahl

Scirpus castaneus Michx.
Marsh fimbry Native,
Threatened
Fimbristylis castanea BB-1913.png
Fimbristylis castanea NY-dist-map.png
NYFA-2
USDA-N0






Images, wsp
(Lam.) Fernald

1791. Scirpus carolinianus Lam.
1913. Fimbristylis harperi Britton
1940. Fimbristylis caroliniana Fernald
Carolina fimbry Native,
Likely extirpated
Fimbristylis caroliniana NY-dist-map.png
NYFA-Z
USDA-N0






Images, wsp
 (Michx.) Vahl
var. puberula

Hairy fimbry Native,
Likely extirpated
Fimbristylis puberula BB-1913.png
Fimbristylis puberula var puberula NY-dist-map.png
NYFA-Z
USDA-NN






Images, wsp

Tribe Fuireneae[edit]

Genus Bolboschoenus[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Fuireneae – genus Bolboschoenus
Bolboschoenus Tuberous bulrush N.Y. Status Images Distribution 5
 (Torr.) Soják

1836. Scirpus maritimus var. fluviatilis Torr.
1856. Scirpus fluviatilis (Torr.) A.Gray
1972. Bolboschoenus fluviatilis (Torr.) Soják
1981. B. maritimus ssp. fluviatilis Á.& D.Löve
1993. Schoenoplectus fluviatilis M.T.Strong
River bulrush,
River tuber-bulrush

Bolboschoenus fluviatile,
Scirpe fluviatile
Native,
Secure
Bolboschoenus fluviatilis NRCS-1.jpg
Bolboschoenus fluviatilis NY-dist-map.png
NYFA-5
USDA-NN
NEW 
ARS 
FNA Trop.



Images, wsp
(Pursh) Soják (1972)

Scirpus robustus PurshSchoenoplectus robustus
Saltmarsh bulrush,
Seacoast bulrush,
Sturdy bulrush
Native,
Vulnerable
Bolboschoenus robustus (as Schoenoplectus robustus) BB-1913.png
NYFA-3-4
USDA-NN

ARS 
FNA 



Images, wsp
 (L.) Palla
ssp. paludosus (A.Nelson) T.Koyama

1899. Scirpus paludosus A.Nelson
1905. Scirpus pacificus Britton ex Parish
1926. Scirpus maritimus var. paludosus Kük.
1971. Schoenoplectus maritimus (L.) Lye
1980. B. maritimus ssp. paludosus T.Koyama
Seaside bulrush,
Saltmarsh bulrush,
Cosmopolitan bulrush,
Prairie bulrush

Bolboschoenus
    des marais salés,
Scirpe des marais salés
Native,
Endangered
Bolboschoenus maritimus.jpg
Nymap.svg
NYFA-2
USDA-NN

ARS 
FNA Trop.



Images, wsp
(Britton) S.G.Sm. (1995)

Schoenoplectus novae-angliaeScirpus novae-angliae Britton
New England bulrush,
Saltmarsh bulrush
Native,
Endangered
Bolboschoenus novae-angliae BB-1913.png
NYFA-1
USDA-N0






Images, wsp
Bolboschoenus maritimus × robustus

Bolboschoenus maritimus ×
Bolboschoenus robustus

Nymap.svg
NYFA-D






Images, wsp
(Lam.) S.G.Sm. (1995)

Schoenoplectus glaucus (Lam.) KarteszScirpus glaucus Lam.Scirpus tuberosus auct. non Desf.
Tuberous bulrush Introduced
Nymap.svg
NYFA-X
USDA-X0


FNA 



Images, wsp
Genus Fuirena[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Fuireneae – genus Fuirena
FuirenaRottb. Umbrella-sedge N.Y. Status Images Distribution 1
 (Torr.) Spreng. 1825

F. squarrosa var. pumila Torr.F. torreyana Beck
Dwarf umbrella-sedge Native,
Rare
Fuirena pumila NRCS-2.png
Fuirena pumila NY-dist-map.png
NYFA-3
USDA-NN






Images, wsp
 Michx. 1803

F. hispida Elliott
Hairy umbrella-sedge Native,
Unranked
Fuirena squarrosa NRCS-1.jpg
Fuirena squarrosa NY-dist-map.png
NYFA-U[1]
USDA-N0






Images, wsp
  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.
Genus 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 – fam. Cyperaceae – subfam. Cyperoideae – tribe Fuireneae – genus Schoenoplectus
Schoenoplectussect. Schoenoplectus Bulrush N.Y. Status Images Distribution 9
(Vahl) Palla
var. pungens

    Scirpus pungens Vahl
1888. Sch. pungens (Vahl) Palla
    Scirpus americanus var. polyphyllus
    Scirpus pungens var. polyphyllus
 auct. Scirpus americanusnon Pers.
Three-square bulrush,
Common three-square
 bulrush,
Chair-maker’s rush,
Sharp club-rush,
Scirpe acere
Native,
Secure
Schoenoplectus pungens 5497392.jpg
Nymap.svg
NYFA-5
USDA-NN

ARS 
FNA 



Images, wsp
(Pers.) Volkart ex Schinz & R.Keller (1905)

Scirpus americanus PersoonScirpus olneyi A.GrayScirpus pungens var. longisetusScirpus pungens ssp. monophyllus
Three-square bulrush,
Olney’s three-square
 bulrush,
Chairmaker's bulrush,
American bulrush
Native,
Secure
Schoenoplectus americanus BB-1913-1.png
Nymap.svg
NYFA-5
USDA-NN

ARS 
FNA 



Images, wsp
(Muhl. ex Bigelow) Á.Löve & D.Löve (1954)
var. acutus

Scirpus acutusSchoenoplectus lacustris ssp. acutus
Hardstem bulrush,
Hard-stemmed bulrush,
Scirpe aigu
Native,
Secure
Schoenoplectus acutus FWS-1.jpg
Nymap.svg
NYFA-5
USDA-NN

ARS 
FNA 



Images, wsp
(Gmel.) Palla

Softstem bulrush,
Soft-stemmed bulrush,
Great bulrush

Scirpe des étangs
Native,
Secure
Scirpus tabernaemontani hutoi02.jpg
Nymap.svg
NYFA-5
USDA-NN

ARS 




Images, wsp
(Chase) Soják

Slender bulrush Native,
Endangered
Nymap.svg







Images, wsp
(T. Koyama) Soják
[ acutus × heterochaetus ]

Oblong bulrush Native,
Unranked
Nymap.svg
NYFA-U






Images, wsp
S. acutus × tabernaemontani

Bulrush Native,
Unranked
Nymap.svg
NYFA-U






Images, wsp
Schoenoplectussect. Malacogeton Bulrush N.Y. Status Images Distribution 9
(Torr.) Soják

Water bulrush Native,
Secure
Nymap.svg







Images, wsp
(Olney) Palla

Torrey's bulrush,
Torrey’s three-square
 bulrush
Native,
Threatened
Nymap.svg
NYFA-2






Images, wsp
Schoenoplectussect. Actaegeton Bulrush N.Y. Status Images Distribution 9
L. (Palla.)

1753. Scirpus mucronatus L.
1888. Schoenoplectus mucronatus
   L. (Palla.)
2010. Schoenoplectiella mucronata
   J.Jung & H.K.Choi
Bog bulrush,
Rough-seed bulrush,
Ricefield bulrush
Introduced,
Invasive

Perennial,
Graminoid
Schoenoplectus mucronatus (13798418565) 4x3.jpg
Nymap.svg
NYFA-0
USDA-XX

ARS ITIS
FNA 



Images, wsp

Tribe Eleocharideae[edit]

Genus Eleocharis[edit]

The taxa of the Eleocharis genus are arranged here according to the system used in Flora of North America.[1]

Eleocharis subg. Limnochloa[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Eleocharideae – genus Eleocharissubg. Limnochloa
Eleocharis Spikerush N.Y. Status Images Distribution 3
 Oakes (1841)

Robbin's spike-rush,
Robbins' spikerush,
Éléocharide Robbins
Native,
Rare
Eleocharis robbinsii BB-1913.png
NYFA-3
USDA-NN


FNA 



Images, wsp
(Elliott) Torr. (1836)

Eleocharis elliottii A. Dietr.Scirpus equisetoides Elliott
Horse-tail spike-rush,
Jointed spikesedge,
Jointed spikerush,
Knotted spike-rush
Native,
Threatened
Eleocharis equisetoides NRCS-1.jpg
NYFA-2
USDA-NN


FNA 



Images, wsp
(Michx.) Roem. & Schult.

Scirpus quadrangulatus Michx.
Squarestem spikerush,
Square-stemmed spike-rush
Native,
Endangered
Eleocharis quadrangulata NRCS-2.png
NYFA-1
USDA-NN






Images, wsp
Eleocharis subg. Scirpidium[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Eleocharideae – genus Eleocharissubg. Scirpidium
Eleocharis Spikerush N.Y. Status Images Distribution 2
(L.) Roem. & Schult. (1817)

Needle spike-rush,
Needle spikesedge,
Dwarf hair-grass,
Scirpe épingle,
Éléocharide aciculaire
Native,
Secure
Eleocharis acicularis.jpeg
NYFA-5
USDA-NN

ARS 
FNA 



Images, wsp
(A.Gray) A.Gray ex Britton (1876)

Scirpus wolfii A.Gray
Wolf’s spike-rush,
Wolf’s spikerush
Introduced,
Midwest native,
Impersistent
Eleocharis wolfii BB-1913.png
Eleocharis wolfii NY-dist-map.png
NYFA-Xm
USDA-N0


FNA 



Images, wsp
Eleocharis subg. Zinserlingia[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Eleocharideae – genus Eleocharissubg. Zinserlingia
Eleocharis Spikerush N.Y. Status Images Distribution 1
(Hartmann) O. Schwarz (1949)

Eleocharis pauciflora (Lightf.) LinkScirpus pauciflorus Lightf.Scirpus quinqueflorus Hartmann
Few-flowered spike-rush,
Fewflower spikerush,
Fewflowered spikesedge,
Éléocharide à cinq fleurs
Native,
Vulnerable
Torfy Orońskie ponikło.jpg
Eleocharis quinqueflora NY-dist-map.png
NYFA-3?
USDA-NN


FNA 



Images, wsp
Eleocharis subg. Eleocharis sect. Parvulae[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Eleocharideae – genus Eleocharissubg. Eleocharis
Eleocharissect. Parvulae Spikerush / Spikesedge N.Y. Status Images Distribution 22
(Roem. & Schult.) Link ex
Bluff, Nees & Schauer (1836)

E. pygmaeaScirpus nanusScirpus parvulus
Dwarf spikerush,
Dwarf spike-rush,
Small spike-rush,
Little-head spikerush

Ėléocharide naine
Native,
Likely secure
Eleocharis parvula NRCS-1.jpg
NYFA-4?
USDA-NN


FNA 



Images, wsp
Eleocharis subg. Eleocharis sect. Eleogenus[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Eleocharideae – genus Eleocharissubg. Eleocharis
Eleocharisser. Maculosae Spikerush / Spikesedge N.Y. Status Images Distribution 22
 Torr.
var. olivacea

Yellow spike-rush,
Green spike-rush,
Bright green spikerush

Éléocharide olivâtre
Native,
Secure
NYFA-5
USDA-NN


FNA 



Images, wsp
Eleocharisser. Ovatae Spikerush / Spikesedge N.Y. Status Images Distribution 22
 (Willd.) Schult. (1824)

Scirpus obtusus Willd.E. ovata var. obtusa
Blunt spikerush,
Blunt spike-rush

Éléocharide obtuse
Native,
Secure
Eleocharis obtusa (9282637838).jpg
NYFA-5
USDA-NN


FNA 



Images, wsp
(Roth) Roem. & Schult. (1817)

Ovate spikerush,
Ovate spike-rush

Éléocharide ovale
Native,
Threatened
Cyperaceae spp Sturm5.jpg
NYFA-1-2
USDA-NN


FNA 



Images, wsp
Steud. (1855)

E. monticola FernaldE. obtusa var. engelmanniiE. ovata var. engelmannii
Engelmann spike-rush,
Engelmann's spikerush,
Engelmann's spike-rush
Native,
Endangered
NYFA-1
USDA-NN


FNA 



Images, wsp
D.M.Hines ex A.Haines (2001)

E. ovata var. aphanactisE. pallidostachys
Tidal spikerush,
Tidal spike-rush
Native,
Endangered
NYFA-1
USDA-NN


FNA 



Images, wsp
 C.Wright (1883)

E. diandra var. depressa
Wright's spikerush,
Wright's spike-rush,
Wright's spikesedge
Native,
Endangered
NYFA-1
USDA-NN


FNA 



Images, wsp
Eleocharis subg. Eleocharis sect. Eleocharis[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Eleocharideae – genus Eleocharissubg. Eleocharis
Eleocharisser. Eleocharis Spikerush / Spikesedge N.Y. Status Images Distribution 22
(L.) Roem. & Schult.

1753. Scirpus palustris L.
1817. E. palustris (L.) Roem. & Schult.
    E. smallii Britton
    E. calva var. australis
Creeping spike-rush,
Common spike-rush,
Marsh spike-rush

Éléocharide des marais
Native,
Secure
Eleocharis palustris.jpeg
NYFA-5
USDA-NN

ARS 
FNA 



Images, wsp
 Steud.

1855. E. erythropoda Steud.
    E. calva
    Scirpus glaucus
    Trichophyllum palustre var. calvum
Bald spikerush,
Bald spikesedge,
Bald spike-rush

Éléocharide à tiges rouges
Native,
Secure
Starr 080210-2795 Eleocharis calva.jpg
NYFA-5
USDA-NN


FNA 



Images, wsp
 Kunth (1837)

    E. capitata var. borealis
    E. tenuis var. borealis
Slender spike-rush,
Elliptic spikerush,
Elliptic spike-rush

Éléocharide elliptique
Native,
Secure
NYFA-5
USDA-NN


FNA 



Images, wsp
 Sull.
var. compressa

1842. Eleocharis compressa Sull.
    E. elliptica var. compressa
    E. elliptica var. atrata
Flatstem spikerush,
Flat-stemmed spike-rush

Éléocharide comprimée
Native,
Unranked
Eleocharis compressa BB-1913.png
NYFA-U
USDA-NN


FNA 



Images, wsp
 (Willd.) Schult.
var. tenuis

1809. Scirpus tenuis Willd.
1824. E. tenuis (Willd.) Schult.
 auct. E. ellipticanon Kunth
 auct. E. Capitatanon (L.) R. Br.
Slender spike-rush,
Dog’s hair

Éléocharide grêle
Native,
Secure
Eleocharis tenuis var tenuis BB-1913.png
NYFA-5
USDA-NN


FNA 



Images, wsp
 (Willd.) Schult. (1824)
var. pseudoptera

Slender spikerush,
Slender spike-rush

Éléocharide à tige ailée
Native,
Endangered
NYFA-1
USDA-NN


FNA 



Images, wsp
 Weath. (1922)

    E. ambigens Fernald
Creeping spikerush,
Creeping spike-rush
Native,
Endangered
NYFA-1
USDA-NN


FNA 



Images, wsp

Three-angled spike-rush Native







Images, wsp
var. halophila

Salt-marsh spike-rush Native







Images, wsp
Eleocharisser. Tenuissimae Spikerush / Spikesedge N.Y. Status Images Distribution 22

Matted spike-rush Native







Images, wsp
var. filiculmis

Small-fruited spike-rush Native







Images, wsp
 (Link) Schult.

1820. Scirpus tortilis Link
1824. E. tortilis (Link) Schult.
 auct. E. simplexnon A.Dietr. 1832
Twisted spike-rush,
Twisted spike-sedge
Native,
No recent reports
NYFA-Z
USDA-N0

ARS 
FNA Trop.



Images, wsp

Long-tubercled spike-rush Native







Images, wsp
Eleocharisser. Melanocarpae Spikerush / Spikesedge N.Y. Status Images Distribution 22

Black-fruited spike-rush Native







Images, wsp
Eleocharisser. Rostellatae Spikerush / Spikesedge N.Y. Status Images Distribution 22
 (Torr.) Torr.

1836. Scirpus rostellatus Torr.
1843. E. rostellata (Torr.) Torr.
Beaked spikerush,
Beaked spike-rush,
Beaked spikesedge,
Walking sedge
Native,
Likely secure
Eleocharis rostellata (3735302658).jpg
NYFA-4
USDA-NN

ARS 
FNA 



Images, wsp

Tribe Cypereae[edit]

Genus Cyperus[edit]

The genus Cyperus (pronounced sie-PEER-us)

Subgenus Cyperus[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Cyperussubg. Cyperus[1]
Cyperussubg. Cyperus Flatsedge N.Y. Status Images Distribution 27
 L.

False yellow nut sedge,
Straw-colored flatsedge,
False nutsedge
Native,
Secure

FACW

Perennial,
Graminoid
Cyperus strigosus NRCS-1 4x3.jpg
Nymap.svg
NYFA-5
USDA-NN
NEW 





Images, wsp
 L.

Awned cyperus,
Bearded flatsedge
Native,
Secure

OBL-FACW

Annual,
Graminoid
Cyperus squarrosus NRCS-1 4x3.jpg
Nymap.svg
NYFA-5
USDA-NN
NEW 





Images, wsp
(Spreng.) Marcks
ssp. macilentus (Fernald) Marcks

Eastern flatsedge,
Great Plains flatsedge
Native,
Secure

Perennial,
Graminoid
Cyperus lupulinus ssp. macilentus BB-1913.png
Nymap.svg
NYFA-5
USDA-NN
NEW 





Images, wsp
(Spreng.) Marcks
ssp. lupulinus

Great Plains flatsedge Native,
Threatened

Perennial,
Graminoid
Cyperus lupulinus ssp. lupulinus BB-1913.png
Nymap.svg
NYFA-2
USDA-NN






Images, wsp
 Muhl.

Redroot flatsedge Native,
Vulnerable
Cyperus erythrorhizos NRCS-1 4x3.jpg
Nymap.svg
NYFA-3
USDA-NN






Images, wsp
 Torr.

Gray's flatsedge Native,
Vulnerable
Cyperus grayi BB-1913.png
Nymap.svg
NYFA-3
USDA-N0






Images, wsp
 Torr.

Houghton's flatsedge,
Houghton's umbrella-sedge
Native,
Vulnerable
Cyperus houghtonii BB-1913.png
Nymap.svg
NYFA-3
USDA-NN






Images, wsp

Schweinitz's flatsedge Native,
Rare
Botanical and vegetation survey of Carter County, Montana, Bureau of Land Management-administered lands (1998) (20207931773).jpg
Nymap.svg
NYFA-2-3






Images, wsp

Globe flatsedge,
Teasel sedge
Native,
Endangered
Cyperus echinatus 4x3.jpg
Nymap.svg
NYFA-1
USDA-N0






Images, wsp
 Chapm.

Reflexed flatsedge,
Cylindric sedge,
Pine barren flatsedge,
Retrorse flatsedge
Native,
Endangered
Cyperus retrorsus 1120311.jpg
Nymap.svg
NYFA-1
USDA-N0






Images, wsp
 Fernald

1945. Cyperus plukenetii Fernald
Plukenet's cyperus Native,
Likely extirpated
Nymap.svg
NYFA-Z
USDA-N0


FNA Trop.



Images, wsp
 L.

Poorland flatsedge Introduced,
US South native
Cyperus compressus NRCS-1.jpg
Nymap.svg
NYFA-X
USDA-N0






Images, wsp
 L.
var. macrostachyus

Chufa flatsedge,
Yellow nut-grass,
Yellow nutsedge
Introduced,
US South native
Cyperus esculentus.jpg
Nymap.svg
NYFA-X
USDA-N0






Images, wsp
 L.
var. leptostachyus

Chufa flatsedge,
Yellow nut-grass,
Yellow nutsedge
Introduced
Cyperus esculentus NRCS-1.jpg
Nymap.svg
NYFA-X
USDA-XX






Images, wsp
 L.

Ricefield flatsedge Introduced
Cyperus iria BB-1913.png
Nymap.svg
NYFA-X
USDA-XX






Images, wsp
 Steud.

Asian flatsedge Introduced
Nymap.svg
NYFA-






Images, wsp

Purple flatsedge,
Purple nut-sedge,
Coco-grass
Introduced,
Impersistent
Nymap.svg
NYFA-






Images, wsp
Subgenus Diclidium[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Cyperussubg. Diclidium[1]
Cyperus Flatsedge N.Y. Status Images Distribution 27
 L.

Fragrant flatsedge,
Rusty flatsedge
Native,
Vulnerable
Cyperus odoratus 2.jpg
Cyperus odoratus NY-dist-map.png
NYFA-3
USDA-NN






Images, wsp
Subgenus Pycnostachys[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Cyperussubg. Pycnostachys
Cyperus Flatsedge N.Y. Status Images Distribution 27

Toothed sedge Native,
Vulnerable
Cyperus dentatus BB-1913.png
Cyperus dentatus NY-dist-map.png
NYFA-3
USDA-NN






Images, wsp

Taper-tipped flatsedge,
Tapertip flatsedge
Introduced,
N. America native
Cyperus acuminatus.jpg
Cyperus acuminatus NY-dist-map.png
NYFA-X
USDA-NN






Images, wsp

Variable flatsedge Introduced,
Moderately invasive,
NYIS: 52%[1]
Starr 030808-0051 Cyperus difformis.jpg
NYFA-0
USDA-X0






Images, wsp
 Rottb.

C. alternifolius auct. non L.C. alternifolius ssp. flabelliformisC. flabelliformis Rottb.
Alternate-leaved flatsedge,
Umbrella-plant
Introduced,
Impersistent
Cyperus involucratus - J. C. Raulston Arboretum - DSC06201.JPG
Cyperus involucratus NY-dist-map.png
NYFA-X
USDA-XX






Images, wsp
Subgenus Pycreus[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Cyperussubg. Pycreus
Cyperussubg. Pycreus Flatsedge N.Y. Status Images Distribution 27
 Torr.

1836. Cyperus bipartitus Torr.
1837. Cyperus rivularis Kunth
1907. Pycreus rivularis (Kunth) Palla
1908. Pycreus bipartitus (Torr.) C.B.Clarke
1958. Cyperus niger var. rivularis
Slender flatsedge,
Shining flatsedge

Souchet des rivières,
Souchet bipartite
Native,
Secure

FACW

Annual,
Graminoid
Cyperus bipartitus NRCS-1.jpg
Nymap.svg
NYFA-5
USDA-NN
NEW Can

FNA Trop.



Images, wsp
 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
The book of grasses - an illustrated guide to the common grasses, and the most common of the rushes and sedges (1912) (14740713126).jpg
Nymap.svg
NYFA-5?
USDA-NN
NEW Can

FNA 



Images, wsp
 Vahl

1805. Cyperus filicinus Vahl
1868. C. polystachyos var. macrostachyos
    
Fern flatsedge Native,
Rare

OBL

Annual-perennial,
Graminoid
Nymap.svg
NYFA-3?
USDA-N0
NEW 

FNA Trop.



Images, wsp
 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
Cyperus polystachyos (3152077637).jpg
Nymap.svg
NYFA-1-2
USDA-N0
NEW 
ARS 
FNA Trop.



Images, wsp
 L.

1753. Cyperus flavescens L.
1814. Cyperus poiformis Pursh
1830. Pycreus flavescens (L.) Rchb.
1939. Cyperus flavescens var. poiformis
Yellow flatsedge,
Yellow flat sedge,
Annual yellow flatsedge,
Pale flatsedge

Souchet jaunâtre
Native,
Endangered

OBL

Annual,
Graminoid
Nymap.svg
NYFA-1
USDA-NN
NEW Can

FNA 



Images, wsp
 Michx.

1803. Cyperus flavicomus Michx.
    
    
White-edged flat sedge,
Whiteedge flatsedge
Introduced from
 southern US,
Impersistent

FAC

Annual,
Graminoid
Nymap.svg
NYFA-Xm
USDA-N0


FNA 



Images, wsp
Genus Kyllinga[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Kyllinga
Kyllinga spikesedge N.Y. Status Images Distribution 2
 Miq.

Cyperus brevifolioidesCyperus brevifolus var leiolepisKyllinga brevifolioides
Asiatic greenhead sedge,
Pasture spikesedge
Introduced,
Rare
Kyllinga gracillima-IMG 4626.jpg
Kyllinga gracillima NY-dist-map.png
NYFA-X
USDA-N0






Images, wsp
 Michx.

Cyperus densicaespitosusCyperus tenuifoliusKyllinga tenuifolia
Annual greenhead sedge,
Low spikesedge
Introduced,
N. America native,
Rare
Kyllinga pumila NRCS-1.jpg
NYFA-X
USDA-N0






Images, wsp
Genus Lipocarpha[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Lipocarpha
Lipocarpha Halfchaff-sedge N.Y. Status Images Distribution 1
 (Vahl) G.Tucker

Hemicarpha micrantha (Vahl) PaxScirpus micranthus Vahl
Dwarf bulrush,
Smallflower halfchaff sedge
Native,
Endangered
Lipocarpha micrantha NRCS-1.jpg
NYFA-5
USDA-NN






Images, wsp
Genus Scirpoides[edit]
Poales – fam. Cyperaceae – subfam. Cyperoideae – tribe Cypereae – genus Scirpoides
Scirpoides Bulrush N.Y. Status Images Distribution 1
 (L.) Soják

Round-headed bulrush Introduced,
Impersistent
Holoschoenus romanus0.jpg
NYFA-X
USDA-X0






Images, wsp