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Flora of New York/Rhamnaceae … Urticaceae

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Amygdaloideae 2
Flora of New York — Rosales: Rhamnaceae … Urticaceae
Cucurbitales
Table of
contents
Genus
index
Protected species index Invasive species index


The first pair of Rosales families on this page (Rhamnaceae and Elaeagnaceae) contain several small trees and shrubs that are particularly invasive in many parts of New York. These include the autumn olive, Russian olive, common buckthorn, and glossy buckthorn.

Family Rhamnaceae

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The Rhamnaceae (buckthorn family) in New York contains three species of native shrubs (two New Jersey tea and one buckthorn species). It also contains two highly invasive non-native buckthorns, both of which are prohibited in New York.[1][2]
  1. Rhamnaceae Troy Weldy & David Werier (2013) New York Flora Atlas. New York Flora Association, Albany, New York.
  2. Rhamnaceae P. F. Stevens (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012.

Subfamily Rhamnoideae

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Tribe Rhamneae

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Besides the two highly invasive exotic buckthorn species, the Rhamneae tribe contains the native alder-leaved buckthorn.
Rhamnus
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Native alder-leaved buckthorn (Rhamnus alnifolia).

The native alder-leaved buckthorn (Rhamnus alnifolia or Endotropis alnifolia)[1][2] should not be confused with the invasive exotic "glossy buckthorn" (Frangula alnus), which also goes by the similar common name "alder buckthorn."

The two non-native buckthorns Rhamnus davurica and Rhamnus utilis have not been reported as naturalized in New York, but they have been reported outside of cultivation in neighboring states.


Rosales — Rhamnaceae — Rhamnoideae — Rhamneae — Rhamnus
Genus Rhamnus Buckthorn N.Y. Status Images Distribution NY NPT
 L’Hér.

1789. Rhamnus alnifolius L’Hér.
1915. Apetlorhamnus alnifolia Nieuwl.
2016. Ventia alnifolia
(L'Hér.) Hauenschild (superfl.)
2016. Endotropis alnifolia
(L’Hér.) Hauenschild
Alder-leaved buckthorn,
American alder buckthorn,
Dwarf alder,
Swamp buckthorn
Nerprun à feuilles d'aulne,
Nerprun des marécages
Native, CoC: 9,
Likely secure

OBL

Perennial,
Shrub,
Part shade - shade

NYFA: 4

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 L.

1753. Rhamnus catharticus L.
European buckthorn,
Common buckthorn,
Purging buckthorn,
European waythorn
Nerprun cathartique,
Nerprun purgatif,
Épine noire
Introduced from
 Eurasia, n. Africa,
Very highly invasive,
 NYIS: 80%[1],
 Invasive.org: [1],
CP-2[2] NE-1[3],
Prohibited[4],
WW

NYFA: X

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Genus Rhamnus(excluded taxa) Buckthorn N.Y. Status Images Distribution NY NPT
 Pall.

1776. Rhamnus dauuricus Pall.
1866. R. catharticavar. dahurica Maxim.
Dahurian buckthorn
Nerprun de Daourie
Introduced from
 Siberia, China, Japan,
No specimens,
CT, MA, PA, VT, PE

NYFA: 0

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 Decne.

1857. Rhamnus utilis Decne.
Chinese buckthorn
Vert de Chine
Introduced from
 Asia,
No specimens,
 Invasive.org: [2],
CT, MI, OH, IN, IL

NYFA: 0

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Frangula
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Invasive Frangula alnus
Glossy buckthorn
The only Frangula species reported in the wild in New York is glossy buckthorn (Frangula alnus), which is an Old World species that is considered highly invasive and is prohibited in New York. Frangula alnus is sometimes known as "alder buckthorn" and as noted above, should not be confused with the native Rhamnus alnifolia.

The seven or so North American Frangula species have not been reported in New York, but Carolina buckthorn and perhaps others may be able to survive cultivation in parts of the state.


Rosales — Rhamnaceae — Rhamnoideae — Rhamneae — Frangula
Genus Frangula Glossy buckthorn N.Y. Status Images Distribution NY NPT
 Mill.

1753. Rhamnus frangula L.
1768. Frangula alnus Mill.
Glossy buckthorn,
Glossy false buckthorn,
Smooth buckthorn,
Alder buckthorn
Introduced from
 Eurasia, n. Africa,
Highly invasive,
 NYIS: 73%[1],
iMapInvasives,
 Invasive.org: [3],
CP-2[2] NE-1[3],
Prohibited[4],
WW

NYFA: X

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    Rhamnus caroliniana Walter
    Rhamnus caroliniana  var. mollis  Fernald
    
Carolina buckthorn

N. America native
 southern US,
Not listed

FAC

Perennial,
Tree-shrub
iNat: Suffolk (2021)
NYFA:
iNat

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Subfamily Ziziphoideae

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Tribe Pomaderreae

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Ceanothus
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Ceanothus americanus
New Jersey tea (Ceanothus americanus) is a low shrub of forest edges.
Rosales — Rhamnaceae — Ziziphoideae — Pomaderreae — Ceanothus
Genus Ceanothus New Jersey tea N.Y. Status Images Distribution NY NPT

    Ceanothus intermedius
New Jersey tea,
Indian tea,
Wild snowball,
Redroot,
Snowbrush,
Soapbloom,
Mountainsweet
Native, CoC: 7,
Secure,
S5-G5

Perennial,
Shrub,
Part shade — shade

NYFA: 5

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Jersey tea,
Inland New Jersey tea,
Prairie redroot,
Grub root
Native,
Endangered

Perennial,
Shrub

NYFA: 1

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Family Elaeagnaceae

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The Elaeagnaceae (oleaster family)...[1]
  1. Elaeagnaceae Troy Weldy & David Werier (2013) New York Flora Atlas. New York Flora Association, Albany, New York.

Shepherdia

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Shepherdia canadensis
Buffalo berry (genus Shepherdia) contains the New York native Canada buffalo-berry (Shepherdia canadensis) and the occasionally-present silver buffalo-berry (Shepherdia argentea), introduced from western North America.
Rosales — Elaeagnaceae — Shepherdia
Genus Shepherdia Buffalo berry N.Y. Status Images Distribution  NPT

1753. Hippophae canadensis L.
1818. Shepherdia canadensis (L.) Nutt.
1890. Lepargyrea canadensis (L.) Greene
1935. Elaeagnus canadensis (L.) A. Nelson
Canada buffalo-berry
Canada buffalo berry
Russet buffaloberry
Soapberry
Native, CoC: 8,
Likely secure,
S4

UPL

Perennial,
Shrub

NYFA: 4
iNat

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 (Pursh) Nutt.

1813. Hippophae argentea Pursh
1818. Shepherdia argentea (Pursh) Nutt.
1890. Lepargyrea argentea (Pursh) Greene
Silver buffalo-berry,
Silver buffaloberry
Introduced from
 w. N. America

NYFA: X

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Elaeagnus

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Elaeagnus umbellata
Autumn olive (Elaeagnus umbellata) commonly naturalizes and becomes invasive through much of New York State, while Russian olive (Elaeagnus angustifolia) does so on a much more limited basis.

Autumn olive has been shown to affect soil microbial communities even when it is present in relatively low densities.[1]


Rosales — Elaeagnaceae — Elaeagnus
Genus ElaeagnusHill Silver-berry N.Y. Status Images Distribution NY NPT
 Thunb.

1784. Elaeagnus umbellata Thunb.
1784. E. crispa Thunb.
1836. E. parvifolia Wall. ex Royle
1909. E. umbellata  var. parvifolia  C.K.Schneid.
Autumn olive,
Autumn elaeagnus,
Spreading oleaster
Oléastre à ombelles,
Chalef en ombelles
Introduced from
 Asia,
Very highly invasive,
 NYIS: 94%[1],
 Invasive.org: [4],
CP-2[2] NE-1[3]

NYFA: X
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 L.

1753. Elaeagnus angustifolia L.
1767. E. orientalis L.
1808. E. hortensis M.Bieb.
1857. E. moorcroftii Wall. ex Schltdl.
1887. E. angustifolia  var. orientalis  Kuntze
Russian olive,
Russian elaeagnus,
Silver-berry,
Oleaster,
Trebizond-date
Olivier de Bohême
Introduced from
 Eurasia,
Moderately invasive,
 NYIS: 68%[4],
 Invasive.org: [5],
CP-5[5] NE-1[3]

NYFA: X
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 Thunb.

1784. Elaeagnus multiflora Thunb.
1859. Elaeagnus longipes A.Gray
Cherry silverberry,
Cherry elaeagnus,
Cherry oleaster
Goumi
Introduced from
 temperate Asia,
 Invasive.org: [6]
NYFA: Livingston (1969)
iNat: none (2021)
NYFA: X
iNat

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 Thunb.

1784. Elaeagnus pungens Thunb.
1869. Elaeagnus simonii Carrière
1949. E. pungensvar. simonii Rehder
Thorny-olive,
Thorny elaeagnus,
Spiny oleaster
Introduced from
 China & Japan,
No NY reports,
 Invasive.org: [7]
iNat: Suffolk (2020)
NYFA: 0
iNat

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 Bernh. ex Rydb.

1814. Elaeagnus argentea Pursh (nom. illeg.)
1917. E. commutata Bernh. ex Rydb.
1955. E. veteris-castelli Lepage
Silverberry,
American silverberry,
Wolf-willow
Chalef argenté,
Chalef changeant
Introduced from
 western US,
 n. central US,
 Canada,
N. America native,
No NY reports
iNat: Monroe (2020)
NYFA: 0
iNat

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  1. New York non-native plant invasiveness assessmentElaeagnus umbellata: Very high (94). M.J.Jordan, G.Moore & T.W.Weldy (2008). Invasiveness ranking system for non-native plants of New York. Unpublished. The Nature Conservancy, Albany & Cold Spring Harbor, NY; Brooklyn Botanic Garden, Brooklyn, NY.
  2. Appendix 2. Plant species that are considered highly invasive to natural areas in the central Finger Lakes region. Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018)
  3. a b Category 1 Plants - highly invasive - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service
  4. New York non-native plant invasiveness assessmentElaeagnus angustifolia: Moderate (68).
  5. Appendix 5. Plant species of concern (Watch List) within the central Finger Lakes region. Policy on the use of non-native plants in Cornell Botanic Gardens' accessioned collections (2018)

Family Ulmaceae

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The Ulmaceae (elm family)...[1]

Ulmus

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Rosales — Ulmaceae — Ulmus
Genus Ulmus Elm N.Y. Status Images Distribution NY NPT
 L.

1753. Ulmus americana L.
1860. U. americana  var. aspera  Chapm.
1860. U. floridana Chapm.
1953. U. americana  var. floridana  Little
American elm,
White elm
Orme d'Amérique,
Orme blanc
Native,
Secure

NYFA: 5

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Muhl.

1785. U. americana Marshall (i)
1788. U. pubescens Walter
1789. U. americana  var. rubra  (Muhl.) Aiton
1793. U. rubra Muhl.
1796. U. pendula Willd.
1803. U. fulva Michx.
1809. U. crispa Willd.
Slippery elm,
Red elm
Orme rouge,
Orme gras
Native,
Secure

NYFA: 5

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 Sarg.

1831. U. racemosa D.Thomas non Borkh. (1800)
1902. U. thomasi(i) Sarg.
Rock elm,
Cork elm,
Hickory elm
Orme liège,
Orme de Thomas
Native,
Threatened

NYFA: 2-3

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Siberian elm Introduced from
 temperate Asia,
Moderately invasive,
 NYIS: 53%[2],
CP-5[3]

NYFA: X

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 Huds.

Wych elm,
Scotch elm,
Broadleaf elm,
Broad-leaved elm,
European mountain elm
Orme de montagne,
Orme montagnard,
Orme glabre,
Orme blanc,
Orme rude
Introduced from
 Eurasia,
Unk. naturalization

NYFA: X

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Salisb.

1753. Ulmus campestris L. p.p. (i)
1796. Ulmus procera Salisb.
 auct. Ulmus minornon Mill.[4]
 auct. Ulmus carpinifolianon Ruppius ex G.Suckow
English elm,
English cork elm
Grand orme,
Orme rouge,
Orme champêtre
Introduced from
 Europe,
 northern Africa,
Not naturalized

NYFA: X

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Genus Ulmus(excluded taxa) Elm N.Y. Status Images Distribution NY NPT
Mill.

1768. Ulmus minor Mill.
European field elm Introduced from
 Eurasia,
 northern Africa,
N.Y. excluded

NYFA-Excluded

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 Jacq.

1798. Ulmus parvifolia Jacq.
1914. Ulmus sieboldii Daveau
Lacebark elm,
Chinese elm
Introduced from
 Asia,
Potentially invasive,
Excluded

NYFA-Excluded

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Ulmus glabra ×
Ulmus procera

    
Hybrid of
 wych elm &
 English elm
Introduced from
 Eurasian parents,
N.Y. excluded

NYFA-Excluded

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Family Cannabaceae

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The Cannabaceae (hemp family)...[1]
  1. Cannabaceae Troy Weldy & David Werier (2013) New York Flora Atlas. New York Flora Association, Albany, New York.

Celtis

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Celtis (hackberry) was formerly included under Ulmaceae (above), but is now more likely to be included under Cannabaceae or in its own family.
Rosales — Cannabaceae — Celtis
Genus Celtis Hackberry N.Y. Status Images Distribution NY NPT
 L.

1753. Celtis occidentalis L.
1797. Celtis crassifolia Lam.
1856. C. occidentalis  var. crassifolia  (Lam.) A. Gray
1919. C. occidentalis  var. canina  (Raf.) Sarg.
Northern hackberry,
American hackberry,
Common hackberry,
Beaverwood,
Nettletree
Micocoulier occidental,
Bois inconnu
Native, CoC: 7,
Likely secure

FACU

Perennial,
Tree

NYFA: 4

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 Nutt.

1814. Celtis pumila Pursh
1818. C. tenuifolia Nutt.
1856. C. occidentalis  var. pumila  (Pursh) A.Gray
1897. C. georgiana Small
1902. C. pumila  var. georgiana  Sarg.
1902. C. mississippiensis  var. pumila  (Pursh) Mack. & Bush
1919. C. pumila  var. georgiana  Sarg.
1964. C. occidentalis  var. georgiana  H.E.Ahles
1967. C. tenuifolia  var. soperi  B.Boivin
1969. C. occidentalis  f. pumila  (Pursh) F.Seym.
1982. C. occidentalis  ssp. georgiana  A.E.Murray
Dwarf hackberry,
Upland hackberry,
Georgia hackberry
Micocoulier rabougri,
Micocoulier de Soper,
Micocoulier de Géorgie
Native, CoC: 9,
No specimens

NYFA: NU

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Humulus

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Humulus lupulus var. lupuloides
Northeastern hops
At least two species of wild hops are present in New York, depending on how they are recognized taxonomically. Of the three varieties of common hops (Humulus lupulus) found in New York, two (var. lupuloides and var pubescens) are considered native and one (var. lupulus) is European. A fourth variety (var. neomexicanus) is also native to North America but has not been reported in the wild in New York. Although similar in appearance, based on molecular and morphological studies, these four varieties can also be treated as separate species (H. lupuloides, H. pubescens, H. neomexicana, and H. lupulus s.s.).[1][2]
Rosales — Cannabaceae — Humulus
Genus Humulus Hops N.Y. Status Images Distribution NY NPT
 L.
var. lupuloides E.Small

1847. Humulus americanus Nutt.
1978. H. lupulus  var. lupuloides  E.Small
1982. H. lupulus  ssp. americanus  (Nutt.) Á.&D.Löve
2016. H. lupuloides (E.Small) Tembrock
Northeastern hops
American hop
Common hop

Houblon lupuloïde
Native, CoC: 5,
Likely secure

Perennial,
Herb-vine

NYFA: U

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 L.
var. pubescens E.Small

1978. H. lupulus  var. pubescens  E.Small
2016. H. pubescens (E.Small) Tembrock
Midwestern hops,
Pubescent hop,
Common hop
Native, CoC: 10,
Rare

Perennial,
Herb-vine

NYFA: U

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 L.
var. lupulus

1753. Humulus lupulus L.
European hop,
Common hop
Houblon commun,
Houblon grimpant
Introduced from
 Eurasia,
 Morocco,
Naturalized,
NE5[1]

Perennial,
Herb-vine

NYFA: X

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 Siebold & Zucc.

1790. Antidesma scandens Lour.
1846. Humulus japonicus Siebold & Zucc.
1935. Humulus scandens (Lour.) Merr.
1988. Humulopsis scandens (Lour.) Grudz.
Japanese hops,
Japanese hop
Houblon japonais
Introduced from
 eastern Asia,
Highly invasive,
 NYIS: 74%[2],
NE4[3]

NYFA: X

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  1. Category 5 Plants - native invasives - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service
  2. New York non-native plant invasiveness assessmentHumulus japonicus: High (74).
  3. Category 4 Plants - local concern and monitoring - Eastern Region invasive plants, ranked by degree of invasiveness as based on information from States (1998) US Forest Service

Cannabis

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Rosales — Cannabaceae — Cannabis
Genus Cannabis Hemp N.Y. Status Images Distribution NY NPT
 L.

1753. Cannabis sativa L.
1785. Cannabis indica Lam.
1924. Cannabis ruderalis Janisch.
1976. C. sativassp. indica E.Small & Cronquist
Hemp,
Marijuana,
Pot
Introduced from
 central Asia

NYFA: X

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Family Moraceae

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The Moraceae (mulberry or fig family)...[1]

Tribe Moreae

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Morus

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Morus rubra
red mulberry fruit
Of the dozen-or-so species of mulberry trees found worldwide, two have been found in the wild in New York. The red mulberry (Morus rubra) is native to eastern North America, including New York, and the white mulberry (Morus alba, the primary host for silkmoth caterpillars) was introduced from eastern Asia and is known to escape cultivation. M. alba is considered to be invasive in Mid-Atlantic states.[2]
Rosales — Moraceae — Moreae — Morus
Genus Morus Mulberry N.Y. Status Images Distribution NY NPT
 L.

1753. Morus rubra L.
1873. Morus rubravar. tomentosa
1873. Morus rubravar. rubra
Red mulberry,
American mulberry
Mûrier rouge
Native, CoC: 8,
Secure

FACU

Perennial,
Tree

NYFA: 5

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 L.

1753. Morus alba L.
1753. Morus tatarica L.
1855. Morus albavar. tatarica
White mulberry,
Russian mulberry,
Silkworm mulberry
Mûrier blanc
Introduced from
 China,
Moderately invasive,
 NYIS: 69%[1]

NYFA: X

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Genus Morus(excluded taxa) Mulberry N.Y. Status Images Distribution NY NPT
L.

1753. Morus nigra L.
Black Mulberry Introduced from
 Asia,
N.Y. excluded

NYFA-Excluded

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Broussonetia

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Rosales — Moraceae — Moreae — Broussonetia
Genus Broussonetia Paper mulberry N.Y. Status Images Distribution NY NPT
 (L.) L'Hér. ex Vent.

1753. Morus papyrifera L.
1799. B. papyrifera (L.) L'Hér. ex Vent.
1891. Papyrius papyriferus (L.) Kuntze
Paper mulberry,
Tapa-cloth-tree
Mûrier à papier
Introduced from
 Asia (temp & trop),
Highly invasive,
 NYIS Tier: 3,
 Invasive.org: [8],
Naturalized

Perennial,
Tree

NYFA: X

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Fatoua

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Rosales — Moraceae — Moreae — Fatoua
Genus Fatoua Crabweed N.Y. Status Images Distribution NY NPT
 (Thunb.) Nakai

1784. Urtica japonica Thunb. non L.f. 1782
1784. Urtica villosa Thunb.
1856. Fatoua japonica (Thunb.) Blume nom. illeg.
1927. Fatoua villosa (Thunb.) Nakai
Mulberry-weed,
Hairy crabweed
Introduced from
 Japan & Taiwan,
Potentially invasive,
 Invasive.org: [9],
Naturalized

FAC

Annual,
Herb-forb

NYFA: Xn

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Tribe Maclureae

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Maclura

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Maclura pomifera
Maclura pomifera (osage-orange) is a shrub or small tree that has been widely cultivated throughout the continental U.S., but it is considered to be native only to southwestern Arkansas, southeastern Oklahoma, and Texas. It has been cultivated in New York, but only occasionally naturalizes.
Rosales — Moraceae — Maclureae — Maclura
Genus Maclura Maclura N.Y. Status Images Distribution NY NPT
 (Raf.) C.K.Schneid.

1817. Ioxylon pomiferum Raf.
1817. Toxylon pomiferum Raf.
1828. Toxylon aurantiacum (Nutt.) Raf.
1906. Maclura pomifera (Raf.) C.K.Schneid.
Osage-orange,
Hedge-apple,
Bow-wood,
Bodoark
Bois d'arc
Introduced from
 TX, OK, AR,
N. America native,
Naturalized

Perennial,
Shrub, tree

NYFA: X

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Tribe Ficeae

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Ficus

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Rosales — Moraceae — Ficeae — Ficus
Genus Ficus Fig N.Y. Status Images Distribution NY NPT
 L.

1753. Ficus carica L.
Common fig,
Edible fig
Introduced,
Impersistent

NYFA: Xm

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Family Urticaceae

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The Urticaceae (nettle family)...[1]

Subfamily Urticoideae

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Tribe Urticeae

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Laportea
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Rosales — Urticaceae — Urticoideae — Urticeae — Laportea
Genus Laportea Wood nettle N.Y. Status Images Distribution NY NPT
 (L.) Wedd.

1753. Urtica canadensis L.
1826. Laportea canadensis (L.) Gaudich.
1849. Fleurya canadensis (L.) Benth.
1854. Laportea canadensis (L.) Weddell
1891. Urticastrum divaricatum (L.) Kuntze
Canada wood nettle,
Canada nettle,
Wood-nettle,
Canadian woodnettle
Laportéa du Canada,
Ortie des bois,
Ortie du Canada
Native,
Secure

NYFA: 5

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  1. Urticaceae Troy Weldy & David Werier (2013) New York Flora Atlas. New York Flora Association, Albany, New York.
Urtica
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Urtica gracilis ssp. gracilis
Many sources treat Urtica gracilis, the American stinging nettle, as a subspecies of Urtica dioica, which contains the European stinging nettle. Henning et al. (2014) proposed the transfer of the North American U. dioica subtaxa to U. gracilis, the holotype of which was collected on the Hudson Bay.[1]

U. gracilis differs from U. dioica in that the native plant is monoecious and has a less dense population of stinging hairs than the European species.


Rosales — Urticaceae — Urticoideae — Urticeae — Urtica
Genus Urtica Nettle N.Y. Status Images Distribution NY NPT
 Aiton
ssp. gracilis

1789. Urtica gracilis Aiton
1805. Urtica procera Muhl. ex Willd.
1856. Urtica dioica  var. procera  (Muhl. ex Willd.) Wedd.
1875. Urtica lyallii S.Watson
1889. Urtica californica Greene
1912. Urtica viridis Rydb.
1947. Urtica dioica  ssp. gracilis  (Aiton) Selander
American stinging nettle,
California nettle,
California stinging nettle,
California nettle,
Slender stalked nettle
Native, CoC: 2,
Secure

NYFA: 5

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 L.
ssp. dioica

1753. Urtica dioica L.
1869. Urtica dioicavar. vulgaris
    
European stinging nettle
Ortie dioïque,
Grande ortie
Introduced,
Highly invasive,
NYS Tier 5[1],
Naturalized,
SNA, G5-T5?

FAC-FACU

Perennial,
Herb-forb

NYFA: X

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 L.

Burning nettle,
Dog nettle
Introduced

NYFA: X

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 Pursh

Weak nettle,
Red nettle,
Heart-leaved nettle
Introduced,
US South native

NYFA: X

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Tribe Lecantheae

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Pilea
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Rosales — Urticaceae — Urticoideae — Lecantheae — Pilea
Genus Pilea Clearweed N.Y. Status Images Distribution NY NPT
 (L.) A. Gray
var. pumila

1753. Urtica pumila L.
1848. Pilea pumila (L.) A. Gray
Green-fruited clearweed,
Canadian clearweed,
Coolwort,
Richweed
Piléa nain,
Pilée naine,
Ortie naine,
Petite ortie
Native, CoC: 2,
Secure

NYFA: 5

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 (Lunell) Rydb.

1843. Adicea pumila Raf.
1913. Adicea fontana Lunell
1913. Adicea opaca Lunell
1931. Pilea fontana (Lunell) Rydb.
1931. Pilea opaca (Lunell) Rydb.
Black-fruited clearweed,
Lesser clearweed,
Spring clearweed,
Springs clearweed
Piléa des fontaines
Native, CoC: 6,
Secure

NYFA: 5

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Pilea fontana × pumila

Pilea fontana ×
Pilea pumila

Hybrid clearweed Native,
N.Y. excluded

NYFA-Excluded

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Tribe Boehmerieae

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Boehmeria
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Boehmeria cylindrica
false nettle
Native false nettle is common in wet shady locations
Rosales — Urticaceae — Urticoideae — Boehmerieae — Boehmeria
Genus Boehmeria False nettle N.Y. Status Images Distribution NY NPT
 (L.) Sw.

1753. Urtica cylindrica L.
1788. Boehmeria cylindrica (L.) Sw.
1805. Boehmeria cylindrica (L.) Willd.
False nettle
Smallspike false nettle
Bog hemp

Boehméria cylindrique,
Fausse ortie cylindrique,
Ortie de savanne
Native, CoC: 7,
Secure

FACW-OBL

Perennial,
Herb-forb

NYFA: 5

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Tribe Parietarieae

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Parietaria
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Rosales — Urticaceae — Urticoideae — Parietarieae
Genus Parietaria Pellitory N.Y. Status Images Distribution NY NPT

1806. P. pensylvanica Muhl. ex Willd.
1857. P. debilisvar. pensylvanica
1903. P. obtusa Rydb. ex Small
1912. P. occidentalis Rydb.
1941. Freirea pensylvanica (Muhl. ex Willd.) Jarm.
1950. P. pensylvanicavar. obtusa
Pennsylvania pellitory,
Pennsylvania cucumber plant
Native, CoC: 2,
Secure

NYFA: 5

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 L.

    Parietaria judaica L.
    Parietaria diffusa
    
Spreading pellitory Introduced from
 s. Europe,
 n. Africa,
Impersistent

NYFA: X

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