Flora of New York/Potamogetonales

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Acorales & Alismatales
Flora of New York: Potamogetonales
Dioscoreales & Liliales
Table of
contents
Genus
index
Protected species index Invasive species index


Family Scheuchzeriaceae[edit]

The monotypic Scheuchzeriaceae (scheuchzeria family)

Scheuchzeria
Scheuchzeria Rannoch-rush N.Y. Status Images Distribution 1
 L.

 (=) S. americana (Fernald) G.N.Jones 
 (=) S. palustris var. americana Fernald 
American scheuchzeria,
Rannoch-rush
Native,
Vulnerable
Scheuchzeria pal fruits.jpg
Scheuchzeria palustris NY-dist-map.png
NYFA-3
NRCS-NN




Images

Family Juncaginaceae[edit]

The Juncaginaceae (arrowgrass family)

Subfamily Juncaginoideae[edit]

Juncaginaceae – subfam. Juncaginoideae
Triglochin Arrowgrass N.Y. Status Images Distribution 2
 L.
Seaside arrowgrass Native,
Likely secure
Triglochin maritima NRCS-1.jpg
Triglochin maritima NY-dist-map.png
NYFA-4
NRCS-NN




Images
 L.
Slender bog arrow-grass Native,
Threatened
Triglochin palustre detail.jpeg
Triglochin palustris NY-dist-map.png
NYFA-2
NRCS-NN




Images

Family Zosteraceae[edit]

The Zosteraceae (eelgrass family)

Zosteraceae
Zostera Eelgrass N.Y. Status Images Distribution 1
 L. (1753)

 (=) Zostera pacifica L. 
Eelgrass,
Seawrack,
Zostére marine
Native,
Vulnerable
Zostera.jpg
Zostera marina NY-dist-map.png
NYFA-3
NRCS-NN

ITIS
FNA 

Images

Family Zannichelliaceae[edit]

The Zannichelliaceae (horned-pondweed family)

Zannichelliaceae
Zannichellia Horned pondweed N.Y. Status Images Distribution 1
L. (1753)
Horned pondweed Native,
Secure
ZannichelliaPalustris3.jpg
Zannichellia palustris NY-dist-map.png
NYFA-5
NRCS-NN

ITIS
FNA 

Images

Family Potamogetonaceae[edit]

The Potamogetonaceae (pond-weed family)

Genus Potamogeton[edit]

Potamogetonaceae – genus Potamogeton
Potamogeton Pondweed N.Y. Status Images Distribution 32
Tuck. (1848)
Largeleaf pondweed,
Large-leaved pondweed,
Broad-leaved pondweed

Potamot à grandes feuilles
Native,
Secure
Potamogeton amplifolius NRCS-1.jpg
Potamogeton amplifolius NY-dist-map.png
NYFA-5
NRCS-NN
NEW 

FNA 

Images
Fernald

1893. P. diversifolius var. trichophyllus
1932. P. bicupulatus  Fernald
Snailseed pondweed,
Snail-seeded pondweed
Native,
Secure
Potamogeton bicupulatus NY-dist-map.png
NYFA-5
NRCS-NN
NEW 

FNA Trop.

Images
 Raf.
Ribbon-leaved pondweed,
Nuttall's pondweed
Native,
Secure
Potamogeton epihydrus NRCS-1.jpg
NYFA-5
NRCS-NN
NEW 



Images
 Raf.
ssp. foliosus
Leafy pondweed Native,
Secure
Potamogeton foliosus NRCS-1.jpg
NYFA-5
NRCS-NN
NEW 



Images
 L.
Grassy pondweed Native,
Secure
Potamogeton gramineus (3817604665).jpg
NYFA-5
NRCS-NN
NEW 



Images
Illinois pondweed Native,
Secure
BB-0184 Potamogeton illinoensis.png
Potamogeton illinoensis NY-dist-map.png
NYFA-5
NRCS-NN
NEW 



Images
 L.
Floating pondweed,
Floating-leaved pondweed
Native,
Secure
Potamogeton natans.jpg
NYFA-5
NRCS-NN
NEW 



Images
 Poir.
Long-leaved pondweed Native,
Secure
Potamogeton nodosus.jpg
Potamogeton nodosus NY-dist-map.png
NYFA-5
NRCS-NN
NEW 



Images
J.W.Robbins
Oakes' pondweed Native,
Secure
BB-0175 Potamogeton oakesianus.png
Potamogeton oakesianus NY-dist-map.png
NYFA-5
NRCS-NN
NEW 



Images
Wulfen
Whitestem pondweed,
White-stemmed pondweed

Potamot à longs pédoncules
Native,
Secure
Potamogeton praelongus bluete.jpeg
NYFA-5
NRCS-NN
NEW 

FNA 

Images
 L.

1753. P. perfoliatus  L.
Claspingleaf pondweed,
Clasping-leaved pondweed,
Clasped pondweed,
Perfoliate pondweed

Potamot perfolié
Native,
Secure
PotamogetonPerfoliatus.jpg
NYFA-5
NRCS-NN
NEW 
ARS 
FNA 

Images
 L.
ssp. pusillus
Small pondweed Native,
Secure
NYFA-5
NRCS-NN
NEW 



Images
 L.
ssp. tenuissimus
(Mert. & W.D.J.Koch)
Haynes & C.B.Hellquist
Small pondweed Native,
Secure
PotamogetonPusillusAgg.jpg
NYFA-5
NEW 



Images
(A.Benn.) Rydb.

1889. P. perfoliatus var. richardsonii
1905. P. richardsonii  Rydb.
1941. P. perfoliatus ssp. richardsonii
Richardson's pondweed Native,
Secure
NYFA-5
NRCS-NN
NEW 



Images
Fries' pondweed Native,
Likely secure
BB-0196 Potamogeton friesii.pngImg spacer 2x87.pngPotamogeton friesii.jpeg
NYFA-4?
NRCS-NN
NEW 



Images
Mert. & W.D.J. Koch
Blunt-leaved pondweed Native,
Likely secure
Potamogeton obtusifolius kz1.JPG
NYFA-4
NRCS-NN
NEW 



Images
Balbis (1804)
Alpine pondweed,
Northern pondweed,
Red pondweed
Native,
Threatened
Potamogeton alpinus out of watet.jpg
NYFA-2
NRCS-NN
NEW 



Images
Rchb. (1845)

 (=) Potamogeton tuckermanii 
Algae-like pondweed,
Alga pondweed,
Tuckerman’s pondweed
Native,
Threatened
BB-0190 Potamogeton confervoides.png
Potamogeton confervoides NY-dist-map.png
NYFA-3
NRCS-NN
NEW 



Images
 Morong
Hill's pondweed Native,
Threatened
BB-0193 Potamogeton hillii.png
NYFA-2
NRCS-NN
NEW 



Images
 Tuck.
Spotted pondweed Native,
Threatened
NYFA-2
NRCS-NN
NEW 



Images
Raf. (1808)

 (=) P. capillaceus Poir. 
 (=) P. dimorphus Raf. 
Water-thread pondweed Native,
Endangered
Potamogeton diversifolius NRCS-1.jpg
NYFA-1
NRCS-N0
NEW 

FNA 

Images
Hellquist & Hilton
Ogden's pondweed Native,
Endangered
NYFA-1
NRCS-NN
NEW 



Images
Robbins' pondweed,
Flat-leaved pondweed,
Fern pondweed
Native

NEW 



Images
spiral pondweed,
Northern snailseed pondweed
Native

NEW 



Images
Straight-leaved pondweed Native

NEW 



Images
Vasey's pondweed Native

NEW 



Images
Flat-stemmed pondweed Native

NEW 



Images
 L.

1753. Potamogeton crispus  L.
Curly pondweed,
Curled pondweed

Potamot crepu
Introduced from
 Eurasia,
 northern Africa,
 Australia,
Very highly invasive,
NYIS: 80%[1],
NE-1[2] Note[3]
PotamogetonCrispus.jpg
Potamogeton crispus NY-dist-map.png
NYFA-X
NRCS-XX
NEW 
ARS 
FNA 

Images
  1. New York non-native plant invasiveness assessmentPotamogeton crispus: Very high (80).
  2. Category 1 Plants - highly invasive - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service
  3. The exotic invasive Potamogeton crispus is easily recognized by being the only species in North America with serrate leaves (Flora of North America).

Genus Potamogeton hybrids[edit]

Potamogetonaceae – genus Potamogeton – hybrids
Potamogeton Pondweed N.Y. Status Images Distribution 4
Potamogeton × haynesii
Hellquist & Crow
[ strictifolius × zosteriformis ]
Hybrid pondweed Native,
Endangered
NYFA-1?
NRCS-NN




Images
Potamogeton × nitens
Hybrid pondweed





Images
Potamogeton × spathuliformis
Hybrid pondweed





Images
P. illinoensis × perfoliatus
Hybrid pondweed





Images

Genus Stuckenia[edit]

Potamogetonaceae – genus Stuckenia
Stuckenia Pondweed N.Y. Status Images Distribution 3
 (Pers.) Börner
ssp. alpinus
Fineleaf pondweed Native,
Endangered
YOSE219561 Stukenia filiformis ssp. alpinus.jpg
NYFA-1
NRCS-NN




Images
 (Pers.) Börner
ssp. occidentalis

 (=) Potamogeton interior Rydb. 
Western fineleaf pondweed Native,
Endangered
BB-0205 Potamogeton interior.png
NYFA-1
NRCS-NN




Images
 (L.) Börner
Sago pondweed Native,
Secure
PotamogetonPectinatus1.jpg
NYFA-5
NRCS-NN




Images

Family Ruppiaceae[edit]

The Ruppiaceae (ditch-grass family)

Ruppiaceae
Ruppia Widgeonweed N.Y. Status Images Distribution 1
 L. (1753)
Ditch-grass Native,
Vulnerable
Ruppia maritima.jpg
NYFA-3-4
NRCS-NN

ITIS
FNA 

Images