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Carduinae subtribe (Thistles and Burdocks)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks)

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Thistles and Burdocks
Carduinae subtribe
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 7/23/2012
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Thistles and Burdocks
Carduinae subtribe
Location: Summit County, CO
Photo Date: 7/14/2001




Carduus genus (plumeless thistles)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Carduus (plumeless thistles)

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plumeless thistles
Carduus genus
Location: South Republican State Wildlife Area, Yuma County, CO
Photo Date: 8/12/2020
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Carduus nutans (musk thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Carduus (plumeless thistles) » Carduus nutans (musk thistle)

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musk thistle
Carduus nutans
Location: Las Vegas, San Miguel County, NM
Photo Date: 6/7/2021
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musk thistle
Carduus nutans
Location: Otero County, NM
Photo Date: 6/8/2018
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musk thistle
Carduus nutans
Location: Northwest of Silverthorne, Summit County, CO
Photo Date: 7/27/2015


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musk thistle
Carduus nutans
Location: West of Pryor, Mayes County, OK
Photo Date: 5/8/2012


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musk thistle
Carduus nutans
Location: Clinton, Custer County, OK
Photo Date: 5/7/2012
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musk thistle
Carduus nutans
Location: Huntsville, Madison County, AL
Photo Date: 5/29/2011
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musk thistle
Carduus nutans
Location: Huntsville, Madison County, AL
Photo Date: 5/29/2011
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musk thistle
Carduus nutans
Location: Mayes County, OK
Photo Date: 5/26/2010
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musk thistle
Carduus nutans
Location: Mayes County, OK
Photo Date: 5/26/2010
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musk thistle
Carduus nutans
Location: Missouri River, Montgomery County, MO
Photo Date: 5/24/2001
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Cirsium genus (thistles)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles)

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thistles
Cirsium genus
Location: Roger Mills County, OK
Photo Date: 6/8/2021
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thistles
Cirsium genus
Location: Pryor, Mayes County, OK
Photo Date: 9/13/2020
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thistles
Cirsium genus
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 7/30/2015


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thistles
Cirsium genus
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 7/30/2015
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thistles
Cirsium genus
Location: Major County, OK
Photo Date: 9/14/2012


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thistles
Cirsium genus
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 7/23/2012
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thistles
Cirsium genus
Location: West of Cheyenne, Roger Mills County, OK
Photo Date: 6/3/2012


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thistles
Cirsium genus
Location: West of Cheyenne, Roger Mills County, OK
Photo Date: 6/3/2012


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thistles
Cirsium genus
Location: Union County, NM
Photo Date: 5/6/2012
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Cirsium vulgare (bull thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium vulgare (bull thistle)

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bull thistle
Cirsium vulgare
Location: Godley Head, Canterbury, New Zealand
Photo Date: 2/18/2020
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bull thistle
Cirsium vulgare
Location: Godley Head, Canterbury, New Zealand
Photo Date: 2/18/2020


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bull thistle
Cirsium vulgare
Location: Tasman, New Zealand
Photo Date: 2/12/2020
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bull thistle
Cirsium vulgare
Location: Taiaroa Head, Dunedin, New Zealand
Photo Date: 2/2/2020
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bull thistle
Cirsium vulgare
Location: Queenstown-Lakes District, New Zealand
Photo Date: 1/14/2015
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Cirsium horridulum (bristle thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium horridulum (bristle thistle)

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bristle thistle
Cirsium horridulum
Location: Everglades, Miami-Dade County, FL
Photo Date: 4/20/2021
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bristle thistle
Cirsium horridulum
Location: Collier County, FL
Photo Date: 4/20/2021
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bristle thistle
Cirsium horridulum
Location: Everglades, Miami-Dade County, FL
Photo Date: 4/18/2021
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bristle thistle
Cirsium horridulum
Location: Everglades, Miami-Dade County, FL
Photo Date: 4/18/2021
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bristle thistle
Cirsium horridulum
Location: Everglades, Miami-Dade County, FL
Photo Date: 4/18/2021
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bristle thistle
Cirsium horridulum
Location: St. Martin Parish County, LA
Photo Date: 3/17/2015
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bristle thistle
Cirsium horridulum
Location: St. Martin Parish County, LA
Photo Date: 3/17/2015
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bristle thistle
Cirsium horridulum
Location: Shark Valley, Miami-Dade County, FL
Photo Date: 3/30/2012
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bristle thistle
Cirsium horridulum
Location: Shark Valley, Miami-Dade County, FL
Photo Date: 3/30/2012
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bristle thistle
Cirsium horridulum
Location: Hilton Head, Beaufort County, SC
Photo Date: 4/24/2011


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bristle thistle
Cirsium horridulum
Location: Chassahowitzka NWR, Citrus County, FL
Photo Date: 4/12/2004
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Cirsium scopulorum (Mountain Thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium scopulorum (Mountain Thistle)

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Mountain Thistle
Cirsium scopulorum
Location: Summit County, CO
Photo Date: 7/29/2013
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Mountain Thistle
Cirsium scopulorum
Location: Summit County, CO
Photo Date: 7/29/2013
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Cirsium scariosum (Elk Thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium scariosum (Elk Thistle)

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Elk Thistle
Cirsium scariosum
Location: North Crestone Creek, Saguache County, CO
Photo Date: 7/29/2016
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Elk Thistle
Cirsium scariosum
Location: Lincoln County, WY
Photo Date: 7/15/2011
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Elk Thistle
Cirsium scariosum
Location: Kit Carson Peak, Saguache County, CO
Photo Date: 9/7/2007
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Elk Thistle
Cirsium scariosum
Location: Kit Carson Peak, Saguache County, CO
Photo Date: 9/7/2007
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Elk Thistle
Cirsium scariosum
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 8/6/2003




Cirsium edule (Edible Thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium edule (Edible Thistle)

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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 8/1/2014
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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 8/1/2014
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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 8/1/2014
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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 8/1/2014
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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 7/31/2014
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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 7/31/2014
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Edible Thistle
Cirsium edule
Location: Skagit County, WA
Photo Date: 7/31/2014
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Cirsium altissimum (Tall Thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium altissimum (Tall Thistle)

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Tall Thistle
Cirsium altissimum
Location: Mayes County, OK
Photo Date: 5/3/2020


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Tall Thistle
Cirsium altissimum
Location: Cherokee County, OK
Photo Date: 4/26/2020
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Tall Thistle
Cirsium altissimum
Location: North of Pryor, Mayes County, OK
Photo Date: 4/7/2020
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Tall Thistle
Cirsium altissimum
Location: Sumner County, KS
Photo Date: 8/21/2011
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Cirsium osterhoutii
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium osterhoutii

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Cirsium osterhoutii
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 7/30/2015


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Cirsium osterhoutii
Location: Summit County, CO
Photo Date: 8/24/2014
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Cirsium tioganum
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium tioganum

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Cirsium tioganum
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 7/23/2012
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Cirsium tioganum
Location: Peekaboo Gulch, Chaffee County, CO
Photo Date: 8/22/2005




Cirsium muticum (swamp thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium muticum (swamp thistle)



Cirsium ochrocentrum (yellowspine thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium ochrocentrum (yellowspine thistle)

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yellowspine thistle
Cirsium ochrocentrum
Location: Baca County, CO
Photo Date: 8/6/2013
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Cirsium carolinianum (soft thistle)
Additional Information

Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Cirsium (thistles) » Cirsium carolinianum (soft thistle)

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soft thistle
Cirsium carolinianum
Location: North of Pryor, Mayes County, OK
Photo Date: 4/7/2020
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Silybum marianum (milk thistle)
Life (root) » Plantae (plants) » Tracheophyta (Vascular Plants) » Magnoliopsida (Dicots) » Asterales (asters, bellflowers, fanflowers, and allies) » Asteraceae (sunflowers, daisies, asters, and allies) » Carduoideae (Thistles and Allies) » Cardueae » Carduinae (Thistles and Burdocks) » Silybum » Silybum marianum (milk thistle)

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milk thistle
Silybum marianum
Location: Contra Costa County, CA
Photo Date: 6/3/2018