Home | About | Join / Sign In | Contacts   

Invasive.org - Center for Invasive Species and Ecosystem Health


musk thistle
Carduus nutans L.


Taxonomic Rank: Magnoliopsida > Asterales > Asteraceae > Carduus
Common Name Synonym(s): nodding plumeless thistle, nodding thistle, bristle thistle
Taxonomic Synonym(s):
Carduus macrocephalus L.
Carduus macrolepis L.
Category: Plants: Forbs/Herbs

131 Records
View Images as Host
View Descriptions


0001058
0001058

Plant(s)
James R. Allison

0001059
0001059

Flower(s)
James R. Allison

0024036
0024036

Flower(s)
Norman E. Rees

0024037
0024037

Plant(s)
Norman E. Rees

0024050
0024050

Infestation
Norman E. Rees

0024051
0024051

Infestation
Norman E. Rees

0024053
0024053

Infestation
Norman E. Rees

0024054
0024054

Infestation
in pasture
Norman E. Rees

0024055
0024055

Infestation
over grazed pasture with excessive plants
Norman E. Rees

0024067
0024067

Seed(s)
from a single seed head
Norman E. Rees

0025022
0025022

Seed(s)
Norman E. Rees

0025027
0025027

Infestation
Norman E. Rees

0025033
0025033

Plant(s)
in full bloom
Norman E. Rees

0026009
0026009

Infestation
Norman E. Rees

0026010
0026010

Infestation
Norman E. Rees

0026011
0026011

Infestation
Norman E. Rees

0026012
0026012

Infestation
Norman E. Rees

0026013
0026013

Infestation
Norman E. Rees

0580013
0580013

Foliage

basal rosette


Loke T. Kok

0580016
0580016

Flower(s)
in bloom
Loke T. Kok

1148159
1148159

Flower(s)
USDA APHIS PPQ Archive

1237108
1237108

Plant(s)
Dan Tenaglia

1237110
1237110

Plant(s)
upper stem
Dan Tenaglia

1237112
1237112

Plant(s)
lower stem
Dan Tenaglia

1299082
1299082

Flower(s)
John D. Byrd

1299132
1299132

Plant(s)
Randy Westbrooks

1299148
1299148

Flower(s)
Steve Dewey

1299210
1299210

Plant(s)
Vince Belleci

1299211
1299211

Infestation
Vince Belleci

1299216
1299216

Infestation
growing along crop field
Vince Belleci

1334026
1334026

Flower(s)
Ready to set seed. Montana
Wendy VanDyk Evans

1358308
1358308

Plant(s)
Mary Ellen (Mel) Harte

1358309
1358309

Feature(s)
Stem and foliage
Mary Ellen (Mel) Harte

1358310
1358310

Flower(s)
Mary Ellen (Mel) Harte

1358311
1358311

Flower(s)
Mary Ellen (Mel) Harte

1358312
1358312

Flower(s)
Mary Ellen (Mel) Harte

1358313
1358313

Flower(s)
Mary Ellen (Mel) Harte

1358314
1358314

Flower(s)
Mary Ellen (Mel) Harte

1358315
1358315

Plant(s)
Mary Ellen (Mel) Harte

1374621
1374621

Infestation
Plants in fall
Terry Spivey

1382011
1382011

Flower(s)
Ricky Layson

1382012
1382012

Flower(s)
Ricky Layson

1382013
1382013

Flower(s)
Ricky Layson

1384001
1384001

Infestation
A pile of fill dirt left over winter. The following spring, the pile was covered in musk thistles.
Kris Johnson

1391205
1391205

Flower(s)
John D. Byrd

1391206
1391206

Foliage
John D. Byrd

1459765
1459765

Plant(s)
Steve Dewey

1459766
1459766

Flower(s)
Steve Dewey

1459767
1459767

Infestation
Steve Dewey

1459768
1459768

Infestation
Steve Dewey

1459769
1459769

Flower(s)
Utah State University Archive

1459770
1459770

Plant(s)
Steve Dewey

1459771
1459771

Flower(s)
Steve Dewey

1459772
1459772

Infestation
Steve Dewey

1459773
1459773

Flower(s)
Steve Dewey

1459774
1459774

Foliage
Steve Dewey

1459775
1459775

Plant(s)
Steve Dewey

1459776
1459776

Flower(s)
Steve Dewey

1459777
1459777

Plant(s)
Steve Dewey

1459778
1459778

Flower(s)
On right; with bull thistle on left
Steve Dewey

1459779
1459779

Foliage
Steve Dewey

1459780
1459780

Plant(s)
Rosette
Steve Dewey

1459781
1459781

Plant(s)
Steve Dewey

1459782
1459782

Plant(s)
Steve Dewey

1539015
1539015

Plant(s)
James H. Miller

1539016
1539016

Plant(s)
James H. Miller

1539017
1539017

Flower(s)
James H. Miller

1542402
1542402

Flower(s)
Joy Viola

1553271
1553271

Flower(s)
Ohio State Weed Lab Archive

1560074
1560074

Fruit(s)
Ken Chamberlain

1624058
1624058

Flower(s)
Steve Dewey

2128094
2128094

Plant(s)
Chris Evans

2128095
2128095

Flower(s)
Chris Evans

2128096
2128096

Plant(s)
Chris Evans

2128097
2128097

Flower(s)
Chris Evans

2128098
2128098

Flower(s)
Chris Evans

4064026
4064026

Habersham Co., GA
James R. Allison

4064027
4064027

Habersham Co., GA
James R. Allison

5138100
5138100

Plant(s)
Lynn Sosnoskie

5139001
5139001

Foliage
Lynn Sosnoskie

5139002
5139002

Plant(s)
Lynn Sosnoskie

5229042
5229042

Foliage
Richard Old

5229043
5229043

Flower(s)
Richard Old

5229044
5229044

Flower(s)
Richard Old

5229045
5229045

Flower(s)
Richard Old

5306090
5306090

Diagram or Graphic
Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 554.
USDA PLANTS Database

5356228
5356228

Flower(s)

visited by a variety of insects


Terry L Spivey

5356229
5356229

Flower(s)

visited by an insect


Terry L Spivey

5358596
5358596

Biological Control

Field collection of musk thistle plants (Carduus nutans) harboring the biological control weevil, Trichosirocalus horridus.


L.L. Berry

5358597
5358597

Control

Landscape view of rangeland near Collbran, Colorado, three years after efforts to eradicate musk thistle.


L.L. Berry

5358655
5358655

Plant(s)

Musk thistle plants (Carduus nutans) growing along a fence.


L.L. Berry

5358656
5358656

Plant(s)

Second-year rosette of musk thistle (Carduus nutans).


L.L. Berry

5358657
5358657

Seedling(s)

Musk thistle (Carduus nutans) seedlings, with a ruler to show size.


L.L. Berry

5358658
5358658

Feature(s)

Close-up view of the stems of musk thistle (Carduus nutans) showing spiny flanges, with a flower bud in the background.


L.L. Berry

5360186
5360186

Flower(s)

Musk thistle (Carduus nutans) flower head, in bloom.


K. George Beck

5360188
5360188

Plant(s)

Musk Thistle flowering stages

 


K. George Beck

5360189
5360189

Seedling(s)

Musk Thistle1st-year rosette


K. George Beck

5360190
5360190

Plant(s)

Musk Thistle 2nd-year rosette


K. George Beck

5364521
5364521

Plant(s)

Rosettes of musk thistle (Carduus nutans).


Howard F. Schwartz

5364567
5364567

Plant(s)

Rosettes of musk thistle (Carduus nutans).


Howard F. Schwartz

5364568
5364568

Seedling(s)

Seedlings of musk thistle (Carduus nutans).


Howard F. Schwartz

5366290
5366290

Plant(s)

flower buds


K. George Beck & James Sebastian

5366291
5366291

Infestation

in flower


K. George Beck & James Sebastian

5366292
5366292

Infestation

in flower


K. George Beck & James Sebastian

5366293
5366293

Foliage
K. George Beck & James Sebastian

5366294
5366294

Foliage
K. George Beck & James Sebastian

5366295
5366295

Foliage
K. George Beck & James Sebastian

5366296
5366296

Foliage

rosette


K. George Beck & James Sebastian

5366297
5366297

Foliage

rosette


K. George Beck & James Sebastian

5366298
5366298

Foliage

rosettes


K. George Beck & James Sebastian

5366299
5366299

Flower(s)
K. George Beck & James Sebastian

5366300
5366300

Flower(s)
K. George Beck & James Sebastian

5366301
5366301

Flower(s)
K. George Beck & James Sebastian

5370303
5370303

Flower(s)
Rebekah D. Wallace

5370304
5370304

Flower(s)
Rebekah D. Wallace

5370305
5370305

Root(s)
Rebekah D. Wallace

5370306
5370306

Flower(s)
Rebekah D. Wallace

5374308
5374308

Infestation
Joseph M. DiTomaso

5374309
5374309

Plant(s)

in flower


Joseph M. DiTomaso

5374310
5374310

Flower(s)
Joseph M. DiTomaso

5374311
5374311

Foliage

basal rosette


Joseph M. DiTomaso

5374312
5374312

Seedling(s)
Joseph M. DiTomaso

5379582
5379582

Flower(s)

June


James H. Miller

5379583
5379583

Stem(s)

June


James H. Miller

5391993
5391993

Flower(s)

Young flowerhead


John M. Randall

5391994
5391994

Flower(s)

Flowerhead I


John M. Randall

5391995
5391995

Plant(s)

Mature plant


John M. Randall

5391996
5391996

Plant(s)

Mature plant


John M. Randall

5391997
5391997

Flower(s)

Flowerhead


John M. Randall

5391998
5391998

Infestation
John M. Randall

5391999
5391999

Infestation
John M. Randall




Partners

forest service, aphis, csrees