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Flora of New York/Millerieae, Madieae, Eupatorieae

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Tribe Millerieae Edit

Subtribe Milleriinae Edit

Smallanthus Edit

 
Smallanthus uvedalia
Hairy leafcup (Smallanthus uvedalia) was present in and collected from western New York during the first half of the twentieth century, but has not been confirmed since.
Asterales — Asteraceae — Asteroideae — Millerieae — Milleriinae — Smallanthus
Smallanthus Smallanthus N.Y. Status Images Distribution NY NPT
(L.) Mack. ex Small
1753. Osteospermum uvedalia L.
1763. Polymnia uvedalia (L.) L.
1933. Smallanthus uvedalius
(L.) Mack. ex Small
 Hairy leafcup,
Bear's-foot,
Yellow-flowered leafcup 		Native, CoC: 10,
Endangered,
No recent reports 		  NYFA-Z
USDA-N0
Go Botany-0
ARS-GRIN
ITIS
BONAP
Images
Wikispecies
Guizotia Edit

Niger-seed (Guizotia abyssinica) is commonly used to feed birds, which may account for its occasional temporary introduction.

Asterales — Asteraceae — Asteroideae — Millerieae — Milleriinae — Guizotia
Guizotia Cass. Guizotia N.Y. Status Images Distribution NY NPT
 (L.f.) Cass.
1782. Polymnia abyssinica L.f.
1829. Guizotia abyssinica (L.f.) Cass.
1836. Guizotia oleifera DC.
 Niger-seed,
Ramtilla 		Introduced from
 Africa,
Impersistent
UPL
Annual,
Herb-forb 		  NYFA-X
USDA-XW
Go Botany
VASCAN
ARS-GRIN
ITIS
FNA
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Subtribe Galinsoginae Edit

Galinsoga Edit

 
Galinsoga quadriradiata
shaggy soldier
Asterales — Asteraceae — Asteroideae — Millerieae — Galinsoginae
Galinsoga Ruiz & Pav. Gallant-soldier N.Y. Status Images Distribution NY NPT
 Cav.
    G. aristulata E.P.Bicknell
    G. bicolorata H.St.John & D.White
    G. caracasana (DC.) Sch.Bip.
    G. ciliata (Raf.) S.F.Blake
 Fringed quickweed,
Peruvian daisy,
Shaggysoldier 		Introduced   NYFA-X
USDA-XX
Go Botany
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 Cav.
    Galinsoga semicalva
 Gallant-soldier,
Small-flowered quickweed 		Introduced   NYFA-X
USDA-XX
Go Botany
Images
Wikispecies

Subtribe Melampodiinae Edit

Acanthospermum Edit

 
Acanthospermum australe
Paraguay starbur
Asterales — Asteraceae — Asteroideae — Millerieae — Melampodiinae
Acanthospermum Schrank Starbur N.Y. Status Images Distribution NY NPT
(Loefl.) Kuntze
1758. Melampodium australe Loefl.
1818. Centrospermum xanthioides Kunth
1820. Acanthospermum brasilum Schrank
1836. A. xanthioides (Kunth) DC.
1891. A. australe (Loefl.) Kuntze
 Southern starburr,
Paraguayan starbur,
Paraguay-starbur,
Paraguay-bur,
Sheepbur,
Spiny-bur 		Introduced from
 South America,
Impersistent,
Not naturalized 		  NYFA-Xm
USDA-XX
ARS-GRIN
Images
Wikispecies
 DC.
1836. A. hispidum DC.
 auct. A. humile non (Sw.) DC.
 Hispid starburr,
Hispid starbur,
Bristly starbur 		Introduced from
 South America,
Impersistent,
Not naturalized 		  NYFA-Xm
USDA-XX
ARS-GRIN
ITIS
FNA
Images
Wikispecies
Acanthospermum (excluded taxa) Starbur N.Y. Status Images Distribution NY NPT
 (Sw.) DC.
1788. Melampodium humile Sw.
1832. Centrospermum humile (Sw.) Less.
1836. A. humile (Sw.) DC.
 Low starburr,
Low starbur 		Introduced,
N.Y. excluded,
Misidentified[1]		 NYFA-Excluded
USDA-X0
ARS-GRIN
ITIS
FNA
Images
Wikispecies
  1. ↑ Specimens from New York City, identified as Acanthospermum humile, were later re-itentified as Acanthospermum hispidum.

Tribe Madieae Edit

Known as the tarweed tribe, Madieae includes plants known as tarweeds from the western United States.

Subtribe Arnicinae Edit

Arnica Edit

 
Arnica lanceolata ssp. prima
clasping arnica
Asterales — Asteraceae — Asteroideae — Madieae — Arnicinae — Arnica
Arnica Arnica N.Y. Status Images Distribution NY NPT
 Nutt.
ssp. lanceolata
    Arnica mollis var. petiolaris
 Lance-leaved arnica,
Lanceleaf arnica,
New England arnica,
Hairy arnica
Arnica à aigrettes brunes,
Arnica soyeux 		Native,
Endangered 		  NYFA-1
USDA-NN
Go Botany
ARS-GRIN
BONAP
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Subtribe Madiinae Edit

Madia Edit

Asterales — Asteraceae — Asteroideae — Madieae — Madiinae — Madia
Madia Tarweed N.Y. Status Images Distribution NY NPT
 Hook.
 Mountain tarweed Introduced,
Impersistent,
N. America native 		  NYFA-Xm
USDA-NN
Images
Wikispecies
 Molina
 Chilean tarweed,
Coast tarweed 		Introduced,
Impersistent,
US West native 		  NYFA-Xm
USDA-NX
Images
Wikispecies

Centromadia Edit

 
Centromadia pungens ssp. pungens - common spikeweed
Asterales — Asteraceae — Asteroideae — Madieae — Madiinae — Centromadia
Centromadia Spikeweed N.Y. Status Images Distribution NY NPT
(Hook. & Arn.) Greene
ssp. pungens
1841. Hartmannia pungens Hook. & Arn.
1843. Hemizonia pungens
(Hook. & Arn.) Torr. & A. Gray
1894. Centromadia pungens
(Hook. & Arn.) Greene
 Common spikeweed,
Common tarweed,
Pungent false tarplant 		Introduced from
 southwestern USA,
Impersistent,
Not naturalized 		  NYFA-X
USDA-N0
ARS-GRIN
Images
Wikispecies

Tribe Eupatorieae Edit

Subtribe Ageratinae Edit

Ageratum Edit

 
Ageratum houstonianum
bluemink or flossflower
Asterales — Asteraceae — Asteroideae — Eupatorieae — Ageratinae — Ageratum
Ageratum Whiteweed N.Y. Status Images Distribution NY NPT
 Mill.
    Ageratum houstonianum Mill.
Bluemink
Houston's whiteweed
Flossflower
 Introduced,
Not naturalized 		  NYFA-Xm
USDA-X0
Go Botany
Images
Wikispecies
Ageratum (excluded taxa) Whiteweed N.Y. Status Images Distribution NY NPT
 L.
    Ageratum conyzoides
Goatweed
Tropical whiteweed
Yerba de Cabrio
 Not native,
N.Y. excluded,
 iMapInvasives 		  NYFA-Excluded
USDA-X0
Go Botany
Images
Wikispecies

Subtribe Oxylobinae Edit

Ageratina Edit

 
Ageratina altissima
white snakeroot
Asterales — Asteraceae — Asteroideae — Eupatorieae — Oxylobinae — Ageratina
Ageratina Snakeroot N.Y. Status Images Distribution NY NPT
(L.) R.M.King & H.Rob.
1753. Ageratum altissimum L.
1779. Eupatorium rugosum Houtt.
1970. Ageratina altissima
(L.) R.M.King & H.Rob.
 White snakeroot,
Richweed
Eupatoire rugueuse,
Eupatoire à feuilles molles 		Native,
Secure 		  NYFA-5
USDA-NN
Go Botany
VASCAN
ARS-GRIN
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 (L.) Spach
 Small white snakeroot,
Small-leaved white snakeroot,
Lesser snakeroot 		Native,
Endangered,
Protected (a) 		  Kings (1888),
Nassau (1902-19),
Queens 		NYFA-1
Images
Wikispecies

Subtribe Mikaniinae Edit

Mikania Edit

 
Mikania scandens
climbing hempweed
Climbing hempweed (Mikania scandens) is native to New York State but appears to be concentrated around Lake Ontario, the Lower Hudson Valley, and Long Island.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Mikaniinae — Mikania
Mikania Hempvine N.Y. Status Images Distribution NY NPT
 (L.) Willd.
Climbing hempweed
Climbing boneset
 Native, CoC: 6,
Likely secure
OBL
Perennial,
Herb-vine 		  NYFA-4
USDA-NX
Go Botany
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Subtribe Gyptidinae Edit

Conoclinium Edit

 
Conoclinium coelestinum
The mistflowers (genus Conoclinium) include four North American perennials, of which only blue mistflower has been found as far north and east as New York State. However the native range of blue mistflower appears to extend only as far to the northeast as southern Pennsylvania, and it is uncertain whether this plant has truly naturalized in New York.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Gyptidinae — Conoclinium
Conoclinium Thoroughwort N.Y. Status Images Distribution NY NPT
 (L.) DC.
1753. Eupatorium coelestinum L.
1836. Conoclinium coelestinum (L.) DC.
1878. Conoclinium dichotomum Chapm.
 Blue mistflower,
Blue boneset 		Introduced,
N. America native 		  NYFA-X
USDA-NX?
Go Botany-0
VASCAN
ARS-GRIN
ITIS
NatureServe
BONAP
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Subtribe Liatridinae Edit

Liatris Edit

 
Liatris spicata
Blazing star (Liatris) species are native to much of eastern North America, but only Liatris scariosa and Liatris cylindracea are listed as clearly native to New York State, and those are listed as threatened or endangered. Apparently the most common Liatris species in New York, Liatris spicata is listed with "Unknown Native Status" in the New York Flora Atlas, and BONAP lists it as "Species native, but adventive in state" for both New York and New England.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Liatridinae — Liatris
Liatris Blazing star N.Y. Status Images Distribution NY NPT
 (L.) Willd.
var. spicata
    
    
    
Button blazing star
Marsh blazing star
Dense blazing star
Dense gayfeather
Sessile-headed blazing star
 N. America native,
Unk. NY nativity
FAC
Perennial,
Herb-forb,
Sun 		 
NYFA: 9 counties
iNat: 8 counties 		NYFA-UN
USDA-NN
Go Botany
iNaturalist
NatureServe
BONAP
LBJ
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 (L.) Willd.
var. novae-angliae Lunell
 New England blazing star Native, CoC: 9,
Threatened 		  NYFA-2
USDA-N0
Go Botany
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Wikispecies
 (L.) Willd.
var. nieuwlandii (Lunell) E.G. Voss
 Nieuwland's blazing star Native, CoC: 8,
Endangered 		  NYFA-1
USDA-N0
Images
Wikispecies
 Michx.
 Slender blazing-star Native, CoC: 9,
Endangered 		  NYFA-1
USDA-NN
Images
Wikispecies
 Michx.
 Rough gayfeather,
Tall blazing star,
Tall gayfeather 		Introduced,
N. America native 		  NYFA-X
USDA-NN
Images
Wikispecies
 Michx.
var. pycnostachya
 Thick-spiked blazing star,
Cattail gayfeather,
Prairie blazing star 		Introduced from
 US midwest,
Midwest native 		  NYFA-X
USDA-N0
Go Botany
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Subtribe Eupatoriinae Edit

The Eupatoriinae contains the Joe-Pye weeds and thoroughworts, both of which were formerly placed in the genus Eupatorium. However, in 1970, Robert M. King and Harold E. Robinson recommended moving the Joe-Pye weeds to a new genus Eupatoriadelphus.[1] Subsequent molecular studies supported their recommendation for the taxon split, but it was determined that Eutrochium Raf. (1836) was an earlier validly published genus name for Joe-Pye weeds, so Eric E. Lamont transferred the Joe-pye weeds to Eutrochium in 2004.[2]
  1. ↑ King, R. M., and H. Robinson, 1970b. "Studies in the Eupatorieae (Compositae). XXV. A new genus which they coined Eupatoriadelphus." Phytologia 19: 431–432.
  2. ↑ Eric E. Lamont (2004) "New combinations in Eutrochium (Asteraceae: Eupatorieae), an earlier name than Eupatoriadelphus." SIDA, contributions to botany. 21: 901-902.

Eupatorium Edit

 
Eupatorium perfoliatum
common boneset
Eupatorium (thoroughwort or boneset) contains the white-flowering plants of the Eupatoriinae, native to the northern hemisphere. Most Eupatorium species found in New York are native to the state, and many are listed a protected species.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Eupatoriinae — Eupatorium
Eupatorium Thoroughwort N.Y. Status Images Distribution NY NPT
 L.
1753. Eupatorium perfoliatum L.
1903. Eupatorium chapmanii Small
 Common boneset,
Thoroughwort,
Boneset thoroughwort,
Thoroughwax
Eupatoire perfoliée 		Native, CoC: 3,
Secure
FACW
Perennial,
Herb-forb 		  NYFA-5
USDA-NN
Go Botany
ARS-GRIN
Tropicos
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Hyssop-leaved
thoroughwort
Hyssopleaf
thoroughwort
 Native, CoC: 3,
Vulnerable 		  NYFA-3-4
USDA-N0
Images
Wikispecies
    Eupatorium rotundifolium
var. saundersii
 Vervain thoroughwort,
Rough boneset 		Native,
Vulnerable 		NYFA-3-4
USDA-N0
Images
Wikispecies
Torrey’s thoroughwort Native,
Threatened 		NYFA-2
USDA-N0
Images
Wikispecies
White thoroughwort Native,
Threatened 		NYFA-2-3
USDA-N
Go Botany
Images
Wikispecies
White-bracted
  thoroughwort,
Justiceweed 		Native,
Endangered 		  NYFA-1
USDA-N0
Images
Wikispecies
var. rotundifolium
    Eupatorium verbenifolium
 Round-leaved boneset,
Roundleaf thoroughwort 		Native,
Endangered 		  NYFA-Z
USDA-N0
Images
Wikispecies
Muhl. ex Willd.
    Eupatorium pubescens[1]
    E. rotundifolium ssp. ovatum
    E. rotundifolium var. ovatum
 Hairy boneset,
Hairy thoroughwort,
Roundleaf thoroughwort 		Native,
Endangered 		  NYFA-1
USDA-
FNA
Images
Wikispecies
Late-flowering
  thorough-wort,
Late boneset 		N. America native,
Unknown NY nativity,
SNR, G5
FAC
Perennial,
Herb-forb 		  NYFA-2
USDA-NX
Images
Wikispecies
Pine barren boneset Native,
Extirpated 		  NYFA-Z
Images
Wikispecies
 L.
 Upland boneset,
Sessile-leaved boneset 		Native, CoC: 7,
Unranked 		  NYFA-U
USDA-N0
Images
Wikispecies
Tall boneset,
Tall thoroughwort 		N. America native,
Unknown NY nativity 		  NYFA-X
USDA-NN
Go Botany
Images
Wikispecies
(Lam.) Small ex Porter & Britton
    Eupatorium capillifolium
(Lam.) Small ex Porter & Britton
Dog fennel
Dogfennel
 N. America native,
Unk. NY nativity 		  NYFA-U
USDA-N0
Images
Wikispecies
1753. Eupatorium cannabinum L.
 Hemp-agrimony
Eupatoire chanvrine,
Eupatoire à
  feuilles de chanvre 		Introduced from
 Eurasia,
 northern Africa,
Impersistent,
Not naturalized 		  NYFA-X
USDA-XX
Go Botany-0
VASCAN
ARS-GRIN
BONAP
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Eupatorium (excluded taxa) Thoroughwort N.Y. Status Images Distribution NY NPT
 L.
    Eupatorium album L.
    Eupatorium glandulosum Michx.
    Eupatorium fernaldii Godfrey
    Eupatorium petaloideum
 White thoroughwort Native,
Endangered 		  NYFA-Excluded
USDA-N
Go Botany
ITIS
Images
Wikispecies
Note: CA
  1. ↑ The New York Flora Atlas lists E. rotundifolium var. ovatum as E. pubescens. The Flora of North America says "Variety ovatum is an apomictic polyploid that may be a derivative of Eupatorium rotundifolium and E. sessilifolium. Morphologically, it is closer to E. rotundifolium than to E. sessilifolium; the name E. pubescens has priority at species rank."

Eutrochium Edit

 
Eutrochium maculatum
spotted Joe-Pye weed
Eutrochium (commonly called Joe Pye weed) contains the purple-flowered North American species of the Eupatoriinae. Until 2004, these species were included in the genus Eupatorium and later Eupatoriadelphus.
Asterales — Asteraceae — Asteroideae — Eupatorieae — Eupatoriinae — Eutrochium
Eutrochium Joe-Pye weed N.Y. Status Images Distribution NY NPT
(L.) E.E.Lamont
var. maculatum
1755. Eupatorium maculatum L.
1970. Eupatoriadelphus maculatus
(L.) R.M.King & H.Rob.
2004. Eutrochium maculatum
(L.) E.E.Lamont
Spotted Joe Pye weed
Spotted joe pye weed
Spotted Joe-Pye weed
Eupatoire maculée
 Native, CoC: 4,
Secure
OBL
Perennial,
Herb-forb,
Part shade 		  NYFA-5
USDA-N
Go Botany
ARS-GRIN
ITIS
Tropicos
NatureServe
BONAP
LBJ
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(L.) E.E.Lamont
var. foliosum
1908. Eupatorium purpureum
var. foliosum Fernald
1920. Eupatorium maculatum
var. foliosum (Fernald) Wiegand
2004. Eutrochium maculatum
var. foliosum (Fernald) E.E. Lamont
Leafy Joe Pye weed
Spotted joe pye weed
Eupatoire feuillue
 Native, CoC: 4,
Unranked
OBL
Perennial,
Herb-forb 		  NYFA-Nu
USDA-NN
ARS-GRIN
NatureServe
BONAP
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(L.) E.E.Lamont
var. purpureum
1753. Eupatorium purpureum L.
1917. Cunigunda purpurea (L.) Lunell
1970. Eupatoriadelphus purpureus
(L.) R.M.King & H.Rob.
2004. Eutrochium purpureum
(L.) E.E.Lamont
 Purple Joe-Pye weed,
Sweet-scented
  Joe-Pye weed,
Sweetscented
  joe pye weed,
Green-stem joe-pyeweed 		Native, CoC: 7,
Secure
FAC
Perennial,
Herb-forb 		  NYFA-5
USDA-NN
Go Botany
ARS-GRIN
FNA
Tropicos
NatureServe
BONAP
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(Barratt) E.E.Lamont
1841. Eupatorium purpureum
var. angustifolium Torr. & A.Gray
1849. Eupatorium fistulosum Barratt
1970. Eupatoriadelphus fistulosus
(Barratt) R.M.King & H.Rob.
2004. Eutrochium fistulosum
(Barratt) E.E.Lamont
 Hollow Joe-Pye weed,
Trumpetweed 		Native, CoC: 1,
Secure
FACW
Perennial,
Herb-forb 		  NYFA-5
USDA-NN
Go Botany
ARS-GRIN
FNA
Tropicos
NatureServe
BONAP
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Wikispecies
(Willd. ex Poir.) E.E.Lamont
1812. Eupatorium dubium
Willd. ex Poir.
1970. Eupatoriadelphus dubius
(Willd. ex Poir.) R.M.King & H.Rob.
2004. Eutrochium dubium
(Willd. ex Poir.) E.E.Lamont
 Coastal plain
  Joe-Pye weed,
Joe-Pye thoroughwort 		Native, CoC: 10,
Vulnerable
FACW
Perennial,
Herb-forb 		  NYFA-3
USDA-N
Go Botany
ARS-GRIN
FNA
Tropicos
NatureServe
BONAP
Images
Wikispecies
Eutrochium (excluded taxa) Joe-Pye weed N.Y. Status Images Distribution NY NPT
(L.) E.E.Lamont
var. bruneri
    Eupatoriadelphus maculatus
var. bruneri
    Eupatorium bruneri A.Gray
 Spotted Joe-Pye weed N. America native,
N.Y. excluded 		 
USDA-NN
NatureServe
BONAP
Images
Wikispecies
Eutrochium identification Edit
Eutrochium
Joe-Pye
weed 		Floret
color 		Florets
per
head 		Capitu-
lescence
shape 		Stem color
(besides
green) 		Stem
glaucousness
(white bloom) 		Central
stem cavity
(hollow/solid) 		Leaf
taper to
petiole 		Leaf
main
veins 		Max
stem
height
E. purpureum
(purple) 		pale pink,
purplish 		(4-)5 -
8(-10) 		round,
domed 		dark purple
at nodes 		not/scarcely
glaucous 		solid or thin
cavity at base 		gradual
taper 		1 main
vein 		2 m
E. fistulosum
(hollow) 		pink-
purple 		(4-)5 -
8(-10) 		round,
domed 		purple
throughout 		prominently
glaucous 		large cavity
(hollow) 		gradual
taper 		1 main
vein 		3 m
E. maculatum
(spotted) 		purplish (8-)9 -
20(-22) 		flatish
top 		purple spots
or all purple 		rarely glaucous solid or thin
cavity at base 		gradual
taper 		1 main
vein 		2 m
E. dubium
(coastal-plain) 		purple (4-)5 -
8(-10) 		round,
domed 		fine purple
spots/streaks 		abruptly
narrowed 		3 main
veins 		1 m
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