Flora of New York/Acorales…Alismatales

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Nymphaeales …Piperales
Flora of New York: Acorales, Arales, Tofieldiales, Alismatales
Potamogetonales
Table of
contents
Genus
index
Protected species index Invasive species index


Duckweeds:
Spirodela polyrhiza (large),
Lemna minor (medium),
Wolffia arrhiza (small).

Order Acorales[edit]

The order Acorales consists of only the Acoraceae (sweetflag family), with Acorus as its only genus.

Family Acoraceae[edit]

Acoraceaegenus Acorus
Acorus Sweetflag N.Y. Status Images Distribution 2
 (Raf.) Raf.

1828. A. calamus var. americanus Raf.
1836. Acorus americanus  (Raf.) Raf.
1954. A. calamus var. americanus H.Wulff
auct.. Acorus calamus non L.
American sweetflag,
Several-veined sweetflag,
Sweetflag

Acore d'Amérique,
Belle-angélique
Native,
Secure,
Fertile diploid
 (2n=24)
Acorus americanus drawing.pngImg spacer 2x87.pngAcorus americanus USFS-1.jpg
Acorus americanus nymap.svg
NYFA-5
USDA-N
NEW Can
ARS ITIS
FNA Trop.
NSE BNA 

Images, wsp
 L.

1753. Acorus calamus  L.
European sweetflag,
Single-veined sweetflag,
Flag-root

Acore roseau,
Acore aromatique,
Belle-angélique
Introduced from
 Asia,
Sterile triploid
 (2n=36)
Acorus calamus.spadix.jpg
Acorus calamus nymap.svg
NYFA-X
USDA-X
NEW Can
ARS ITIS
FNA Trop.
NSE BNA 

Images, wsp

Order Alismatales[edit]

The order Alismatales as defined in the Angiosperm Phylogeny Website...

Family Araceae[edit]

The Araceae (arum family)...

Subfamily Orontioideae[edit]

Tribe Orontieae[edit]
Araceae – subfam. Orontioideae – tribe Orontieae
Orontium Goldenclub N.Y. Status Images Distribution 1
 L. (1753)
Golden club Native,
Threatened
Orontium aquaticum 1 - Buffalo Botanical Gardens.jpg
Orontium aquaticum NY-dist-map.png
NYFA-2
NRCS-N0




Images
Tribe Symplocarpeae[edit]
Araceae – subfam. Orontioideae – tribe Symplocarpeae
Symplocarpus Skunk-cabbage N.Y. Status Images Distribution 1
 (=) Dracontium foetidum  
 (=) Spathyema foetida 
Skunk cabbage Native,
Secure
Eastern Skunk Cabbage Takemori Koshu-City B.JPG
Symplocarpus foetidus NY-dist-map.png
NYFA-5
NRCS-NN




Images

Subfamily Lemnoideae[edit]

Genus Spirodela[edit]

The Lemnoideae contains the small aquatic plants known as duckweeds, or water lentils.

Araceae – subfam. Lemnoideae – genus Spirodela
Spirodela Duckmeat N.Y. Status Images Distribution 1
Common water-flaxseed Native,
Secure
Spirodela polyrhiza 01.JPG
NYFA-5
NRCS-NN





Images, wsp
Genus Lemna[edit]
Araceae – subfam. Lemnoideae – genus Lemna
Lemna Duckweed N.Y. Status Images Distribution 6
 L.

L. cyclostasa Ell. ex Schleid.
L. minima Chev. ex Schleid.
Lesser duckweed Native,
Secure
Kleine Wasserlinse (Entengrütze).JPG
Lemna minor NY-dist-map.png
NYFA-5
NRCS-NN





Images, wsp
 L.
Star duckweed Native,
Secure
Lemna trisulca NRCS-1.jpg
Lemna trisulca NY-dist-map.png
NYFA-5
NRCS-NN





Images, wsp
 Torr.
Minute duckweed Native,
Endangered,
NYNHP: 1[1]
Lemna perpusilla 3.JPG
Lemna perpusilla NY-dist-map.png
NYFA-1
NRCS-NN





Images, wsp
 Phil.
Pale duckweed,
Valdivia duckweed
Native,
Endangered,
NYNHP: 1[2]
Lemna valdiviana NRCS-001 (4x3).jpg
NYFA-1
NRCS-NN





Images, wsp
 (Austin) Daubs

L. minor var. obscura Austin
Little duckweed Native,
Unranked
Aguas del lago de Maracaibo contaminadas por Lemna 02.JPG
NYFA-U
NRCS-N0





Images, wsp
 Landolt
Turion duckweed,
Lenticulare turionifère
Native,
Unranked
Lemna turionifera.jpg
No counties NY-dist-map.png
NYFA-U
NRCS-NN





Images, wsp
Genus Wolffia[edit]
Araceae – subfam. Lemnoideae – genus Wolffia
WolffiaHorkel ex Schleiden Watermeal N.Y. Status Images Distribution 3
 H.Karst.

1865. Wolffia columbiana  H.Karst
1892. Grantia columbiana  (H.Karst.) MacMill.
1912. Bruniera columbiana  (H.Karst.) Nieuwl.
Columbian watermeal,
Columbia watermeal,
Columbian duckmeal

Wolffie de Colombie
Native,
Secure
Wolffia columbiana BB-1913.png
NYFA-5
NRCS-NN
NEW Can




Images, wsp
 (Engelm.) Landolt & Wildi
ex Gandhi, Wiersema & Brouillet

1867. W. brasiliensis var. borealis Engelm.
1977. Wolffia borealis  Landolt & … nom. inval.
2012. Wolffia borealis  … ex Ghandhi, …
 auct. Wolffia punctata
Dotted watermeal,
Northern watermeal,
Northern duckmeal

Wolffie borèle
Native,
Likely secure
Wolffia borealis NY-dist-map.png
NYFA-4
NRCS-NN
NEW 
ARS ITIS
FNA Trop.


Images, wsp
 Wedd.

Bruniera punctata
W. punctata Griseb.
W. papulifera
Brazilian watermeal Native,
Likely secure
Wolffia brasiliensis BB-1913-1.pngImg spacer 2x87.pngWolffia brasiliensis BB-1913-2.png
Wolffia brasiliensis NY-dist-map.png
NYFA-4
NRCS-N0
NEW 
ARS ITIS
FNA 


Images, wsp

Subfamily Aroideae[edit]

Tribe Calleae[edit]
Araceae – subfam. Aroideae – tribe Calleae
Calla Callalily N.Y. Status Images Distribution 1
Wild calla,
Water arum
Native,
Secure
Calla palustris 7867.jpg
NYFA-5
NRCS-NN

ARS ITIS


Images
Tribe Peltandreae[edit]
Araceae – subfam. Aroideae – tribe Peltandreae
Peltandra Arrow-arum N.Y. Status Images Distribution 1
Green arrow-arum,
Tuckahoe
Native,
Secure
Peltandra virginica MA.jpg
Nymap.svg
NYFA-5
NRCS-NN




Images
Tribe Arisaemateae[edit]
Araceae – subfam. Aroideae – tribe Arisaemateae
Arisaema Jack-in-the-pulpit N.Y. Status Images Distribution 4
ssp. triphyllum
Common jack-in-the-pulpit Native,
Secure
Arisaema triphyllum D1641.jpg
Arisaema triphyllum ssp triphyllum NY-dist-map.png
NYFA-5
NRCS-N
[1]




Images
ssp. stewardsonii
Swamp jack-in-the-pulpit Native,
Secure
Arisaema triphyllum ssp. stewardsonii.png
Arisaema triphyllum ssp stewardsonii NY-dist-map.png
NYFA-5
NRCS-N




Images
ssp. pusillum
 (=) Arisaema acuminatum  
 (=) Arisaema pusillum 
Small jack-in-the-pulpit Native,
Vulnerable
Arisaema triphyllum ssp. pusillum.png
Arisaema triphyllum ssp pusillum NY-dist-map.png
NYFA-3
NRCS-N




Images
Green dragon Native,
Likely secure
Arisaemadracontium.jpg
Arisaema dracontium NY-dist-map.png
NYFA-4




Images
Pinellia Pinellia N.Y. Status Images Distribution 1
Green dragon Introduced
Puanh ghrah hrua.jpg
Pinellia ternata NY-dist-map.png
NYFA-X




Images
Tribe Pistieae[edit]
Araceae – subfam. Aroideae – tribe Pistieae
Pistia Water-lettuce N.Y. Status Images Distribution 1
 L.

1753. Pistia stratiotes  L.
1803. Pistia spathulata  Michx.
1878. Pistia stratiotes var. spathulata
Water-lettuce,
Tropical duckweed,
Nile cabbage

Laitue d'eau
Introduced from
 US South,
 South America,
 Africa,
Potentially invasive,
NYIS: 62%[1],
Impersistent
Starr 061108-9789 Pistia stratiotes.jpg
Pistia stratiotes nymap.svg
NYFA-X
NRCS-N0
Can
ARS ITIS
Trop.

Images

Family Tofieldiaceae[edit]

Tofieldiaceae
Triantha Tofieldia N.Y. Status Images Distribution 1
 (Michx.) Baker
Sticky false-asphodel Native,
Endangered
Triantha glutinosa BB-1913.png
Triantha glutinosa NY-dist-map.png
NYFA-1
NRCS-NN




Images

Family Alismataceae[edit]

The Alismataceae (water-plantain family) has about a dozen documented taxa in two genera growing outside of cultivation in New York.

Alismataceae
Sagittaria Arrowhead N.Y. Status Images Distribution 8
Wapato,
Common arrowhead,
Duck-potato
Native,
Secure
SagittariaLatifolia.jpg
Sagittaria latifolia NY-dist-map.png
NYFA-5
NRCS-N




Images
Sessile-fruited arrowhead Native,
Secure
Sagittaria rigida drawing.png
Sagittaria rigida NY-dist-map.png
NYFA-5
NRCS-N




Images
ssp. graminea
Grass-leaved arrowhead Native,
Secure
Sagittaria graminea.jpg
Sagittaria graminea ssp graminea NY-dist-map.png
NYFA-5
NRCS-N




Images
Northern arrowhead,
Wapato,
Wapatum arrowhead
Native,
Secure
Sagittaria cuneata NRCS.jpg
Sagittaria cuneata NY-dist-map.png
NYFA-5




Images
Acid-water arrowhead,
Engelmann arrowhead
Native,
Likely secure
Sagittaria engelmanniana drawing.png
Sagittaria engelmanniana NY-dist-map.png
NYFA-4
NRCS-N




Images
Strap-leaved arrowhead Native,
Vulnerable
Sagittaria subulata drawing.png
Sagittaria subulata NY-dist-map.png
NYFA-3
NRCS-N




Images
ssp. spongiosa
 (=) Lophotocarpus spathulatus  
 (=) Lophotocarpus spongiosus 
 (=) Sagittaria spathulata 
 (=) S. calycina var. spongiosa 
Spongy-leaved arrowhead,
Tidal arrowhead,
Spongy arrowhead,
Hooded arrowhead
Native,
Threatened
Sagittaria montevidensis 002.JPG
Sagittaria montevidensis ssp spongiosa NY-dist-map.png
NYFA-2
NRCS-N




Images
Slender arrowhead,
Quill-leaved sagittaria
Native,
Endangered
Sagittaria teres drawing.png
Sagittaria teres NY-dist-map.png
NYFA-1
NRCS-N




Images
 (=) Sagittaria engelmanniana
  
ssp. longirostra  
 (=) Sagittaria longirostra 
 (=) Sagittaria longirostra
  
var. australis 
Longbeak arrowhead,
Appalachian arrowhead
Excluded
No counties NY-dist-map.png
NY-U
NRCS-N




Images
Alisma Water-plantain N.Y. Status Images Distribution 3
Broad-leaved water-plantain,
Southern water-plantain
Native,
Secure
Alisma subcordatum leaves.jpg
Alisma subcordatum NY-dist-map.png
NYFA-5
NRCS-N




Images
Northern water-plantain Native,
Secure
Alisma triviale.jpgImg spacer 2x87.pngAlisma triviale drawing.png
Alisma triviale NY-dist-map.png
NYFA-5
NRCS-N




Images
Narrow-leaved water-plantain,
Grass-leaved water-plantain,
Ribbonleaf water-plantain
Native,
Very vulnerable
Alisma gramineum drawing.pngImg spacer 2x87.pngAlisma gramineum plant.jpg
Alisma gramineum NY-dist-map.png
NYFA-2-3
NRCS-N




Images
Helanthium Burhead N.Y. Status Images Distribution 1
(Mart. ex Schult.f.) Britton

1830. Alisma tenellum  Mart. ex Schult.f.
1856. Echinodorus parvulus  Engelm.
1868. Echinodorus tenellus  Buchenau
1905. Helanthium tenellum  Britton
North American dwarf burhead,
Mud-babies,
Pygmy chain sword
Native,
Likely extirpated
Helanthium tenellum - Mutis-2.png
Helanthium tenellum nymap.svg
NYFA-Z
NRCS-NN
NEW 
ARS ITIS
FNA Trop.

Images

Family Butomaceae[edit]

The sole species of Butomaceae (the flowering rush family) is listed as occurring outside of cultivation in New York.

Butomaceae
Butomus Flowering rush N.Y. Status Images Distribution 1
 (=) Butomus junceus  
Flowering rush,
Water gladiolus,
Grass rush
Introduced,
Invasive
ButomusUmbellatus2.jpg
Butomus umbellatus NY-dist-map.png
NYFA-X
NRCS-X
NE-1[1]




Images
  1. Category 1 Plants - highly invasive - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service

Family Hydrocharitaceae[edit]

The Hydrocharitaceae (tape-grass family) ...

Subfamily Hydrocharitoideae[edit]

Hydrocharitaceae – subfam. Hydrocharitoideae
Egeria Waterweed N.Y. Status Images Distribution 1
 Planch.

1849. Egeria densa  Planch.
1857. Elodea densa  Casp.
1931. Anacharis densa  Vict.
1933. Philotria densa  Small
Brazilian waterweed,
Brazilian elodea,
South American waterweed
Introduced from
 Brazil,
Highly invasive,
NYIS: 75%[1],
Prohibited[2],
NE-2[3]
Egeria densa detail.jpeg
Egeria densa nymap.svg
NYFA-X
NRCS-XW
NEW Can
ARS ITIS
FNA Trop.

Images
Hydrocharis Frog-bit N.Y. Status Images Distribution 1
Common frogbit,
European frog-bit,
Frog's bit

Hydrocharide grenouillette,
Grenouillette,
Morène,
Petit nénuphar
Introduced from
 Eurasia,
 northern Africa,
Very highly invasive,
NYIS: 86%[4],
Prohibited[5]
Hydrocharis.jpg
Hydrocharis morsus-ranae nymap.svg
NYFA-X
NRCS-XX
NEW Can
ARS 
FNA Trop.

Images
LimnobiumRich. 1814 Spongeplant N.Y. Status Images Distribution 1
(Bosc) Rich. ex Steud.

1807. Hydrocharis spongia  Bosc
1814. Limnobium spongia  Rich.
1818. Hydrocharis cordifolia  Nutt.
1840. Limnobium spongia  Steud.
American frogbit,
American spongeplant
Introduced,
US South native,
Impersistent
Limnobium spongia BB-1913.png
Limnobium spongia NY-dist-map.png
NYFA-X
NRCS-N0

ARS ITIS
FNA Trop.

Images

Subfamily Stratiotoideae[edit]

Hydrocharitaceae – subfam. Stratiotoideae – genus Stratiotes
Stratiotes Water-aloe N.Y. Status Images Distribution 0
 L.

1753. Stratiotes aloides  L.
Water-soldiers,
Water-aloe

Stratiote faux-aloès,
Faux-aloès,
Aloès d'eau
Introduced from
 Eurasia,
Potentially invasive,
NYIS: Not ranked[1]
Water soldier plants.JPG
Stratiotes aloides nymap.svg

NRCS-00
CA
Can
ARS ITIS
Trop.

Images

Subfamily Anacharidoideae[edit]

Hydrocharitaceae – subfam. Anacharidoideae
Elodea Waterweed N.Y. Status Images Distribution 3
L.Rich. ex Michx.
Canadian waterweed,
Common waterweed,
Broad waterweed
Native,
Secure
ElodeaCanadensisFlowering.jpg
Elodea canadensis NY-dist-map.png
NYFA-5
NRCS-NN




Images
(Planch.) St. John
Nuttall's waterweed Native,
Secure
ElodeaNuttallii2.jpg
Elodea nuttallii NY-dist-map.png
NYFA-5
NRCS-NN




Images
 H.St.John

 (=) E. longivaginata H.St.John 
 (=) E. nevadensis (Planch.) H,St.John 
Twoleaf waterweed,
Two-leaved waterweed,
Long-sheath waterweed
Introduced,
Western native
Herne - Kanal - Osthafen 06 ies.jpg
No counties NY-dist-map.png
NYFA-X
NRCS-NN




Images

Subfamily Najadoideae[edit]

Tribe Najadeae[edit]
Genus Najas[edit]
Hydrocharitaceae – subfam. Najadoideae – tribe Najadeae – genus Najas
Najas Waternymph / Naiad N.Y. Status Images Distribution 7
 (Willd.) Rostk. & W.L.E.Schmidt

1798. Caulinia flexilis  Willd.
1803. Najas canadensis  Michx.
1824. Najas flexilis  Rostk. & W.L.E.Schmidt
1942. N. flexilis ssp. caespitosus  Maguire
1975. Najas caespitosus  (Maguire) Reveal
Slender naiad,
Slender naias,
Slender water-nymph,
Nodding water-nymph,
Bushy naiad,
Northern water-nymph,
Wavy waternymph
Native,
Secure
BB-0213 Naias flexilis.png
Nymap.svg
NYFA-5
NRCS-NN
NEW 
ARS 
FNA 
NSE 

Images, wsp
(A.Braun ex Engelm.) Magnus

1867. Najas indica var. gracillima
1870. Najas gracillima  Magnus
Thread-like naiad,
Thread-like water-nymph,
Slender waternymph
Native,
Likely secure
Najas gracillima seeds.JPG
Nymap.svg
NYFA-4
NRCS-NN
NEW 




Images, wsp
 (Spreng.) Magnus
ssp. guadalupensis

1825. Caulinia guadalupensis  Spreng.
1870. Najas guadalupensis  Magnus
Southern water-nymph,
Southern naiad
Native,
Secure
BB-0214 Naias guadalupensis.png
Najas guadalupensis ssp guadalupensis nymap.svg
NYFA-5
NRCS-NN
NEW 
ARS ITIS
FNA Trop.


Images, wsp
 (Spreng.) Magnus
ssp. muenscheri
(R.T.Clausen) R.R.Haynes & Hellq.

1937. Najas muenscheri  R.T.Clausen
1979. N. guadalupensis
   var.
muenscheri R.R.Haynes
1996. N. guadalupensis ssp. muenscheri
Hudson River water-nymph,
Muenscher's water-nymph,
Mermaid weed
Native,
Endangered,
NYNHP: 1
Endemic[1]
Najas guadalupensis ssp muenscheri nymap.svg
NYFA-1E
NRCS-N0

ITIS
FNA Trop.


Images, wsp
 (Spreng.) Magnus
ssp. olivacea
(Rosend. & Butters) R.R.Haynes & Hellq.

1935. Najas olivacea  Rosend. & Butters
1979. N. guadalupensis var. olivacea
1996. N. guadalupensis ssp. olivacea
Guadalupe water-nymph,
Southern naiad
Native,
Endangered
Najas guadalupensis NRCS-4x3.jpg
Najas guadalupensis ssp olivacea nymap.svg
NYFA-1
NRCS-NN
NEW 

FNA Trop.


Images, wsp
 L.

1753. Najas marina  L.
1893. Najas gracilis  Morong
1903. Najas gracilis  Small
Spiny water-nymph,
Spiny naiad,
Holly-leaved naiad,
Prickly waternymph
Native,
Endangered
Najas marina kz1.jpg
Najas marina nymap.svg
NYFA-1
NRCS-NN

ARS 
FNA Trop.


Images, wsp
All.

1773. Najas minor  All.
1807. Fluvialis minor  Pers.
1808. Ittnera minor  C.C.Gmel.
1845. Caulinia minor  Coss. & Germ.
Brittle water-nymph Introduced from
 Eurasia,
 n. Africa
Najas minor NRCS-4x3.jpg
Najas minor nymap.svg
NYFA-X
NRCS-XX
NEW 
ARS 
FNA Trop.


Images, wsp
  1. The Hudson River water-nymph is endemic to the lower Hudson River (from the Mohawk River to Piermont), one of the few New York endemic taxa. New York Natural Heritage Program. 2013. Online Conservation Guide for Najas guadalupensis ssp. muenscheri. Endangered, S1/G5T1.
Genus Hydrilla[edit]
Hydrocharitaceae – subfam. Najadoideae – tribe Najadeae – genus Hydrilla
Hydrilla Water-thyme N.Y. Status Images Distribution 1
 (L.f.) Royle

1782. Serpicula verticillata  L.f.
1824. Udora verticillata  Spreng.
1839. Hydrilla verticillata  Royle
1888. Elodea verticillata  F.Muell.
Hydrilla,
Florida elodea,
Waterthyme,
Water-thyme,
Esthwaite waterweed
Introduced from
 Eurasia, Africa,
 Australia,
Very highly invasive,
NYIS: 91%[1],
Discovered 2008.[2]
Hydrilla verticillata is it- in Hyderabad W2 IMG 8305.jpg
Hydrilla verticillata nymap.svg
NYFA-X1
NRCS-X0
NEW 
ARS ITIS
FNA Trop.

Images
  1. New York non-native plant invasiveness assessmentHydrilla verticillata: Very high (91).
  2. Three large infestations of Hydrilla were discovered in Orange and Suffolk Counties in 2008.
Tribe Vallisnerieae[edit]
Hydrocharitaceae – subfam. Najadoideae – tribe Vallisnerieae
Vallisneria Eelgrass N.Y. Status Images Distribution 1
 Michx.
Eel-grass,
Tape-grass,
Water-celery,
Wild-celery
Native,
Secure
Vallisneria americana (USDA).jpg
Vallisneria americana NY-dist-map.png
NYFA-5
NRCS-NN




Images