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Onopordum acanthium L.
COTTON THISTLE
Scotch Thistle; Scotch cottonthistle

Life   Plantae   Dicotyledoneae   Asteraceae   Onopordum

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Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium
Onopordum acanthium
© Copyright Malcolm Storey 2011-2118 · 3
Onopordum acanthium

Associates · map
FamilyScientific name @ source (records)
Apidae  Bombus flavifrons @ BBSL (1)
Coccinellidae  Coccinella transversoguttata @ I_LB (1)

Harmonia axyridis @ I_LB (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (2)
Mycosphaerellaceae  Ramularia onopordi @ BPI (3)
Pucciniaceae  Puccinia onopordi @ BPI (1)
_  Ascochyta cirsii @ BPI (2)

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Following modified from Washington State Noxious Weed Control Board
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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://www.nwcb.wa.gov/weed_info/scotchthistle.html

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=ONAC ---> https://plants.usda.gov/java/profile?symbol=ONAC
https://plants.usda.gov/java/profile?symbol=ONAC ---> http://plants.usda.gov/core/profile?symbol=ONAC
http://plants.usda.gov/core/profile?symbol=ONAC ---> https://plants.usda.gov/core/profile?symbol=ONAC
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You are here: Home / Plant Profile

Onopordum acanthium L.
Scotch cottonthistle

Image of Onopordum acanthium

General Information
Symbol: ONAC
Group: Dicot
Family: Asteraceae
Duration: Biennial
Growth Habit : Forb/herb
Native Status : CAN   W
L48   I
Data Source and Documentation
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Plants-NRCS Logos
green round image for nativity Native blue round image for introduced Introduced ocre round image for introduced and nativity Both white round image for no status Absent/Unreported
image for native, but no county data Native, No County Data image for introduced, but no county data Introduced, No County Data both introduced and native, but no county data Both, No County Data
Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

Images

click on a thumbnail to view an image, or see all the Onopordum thumbnails at the Plants Gallery

©Gary A. Monroe. United States, NV, Washoe Co. July 24, 2002. Usage Requirements .

©Gary A. Monroe. United States, NV, Washoe Co. July 24, 2002. Usage Requirements .

Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory . United States, UT. Usage Requirements .

Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 556. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

slideshow

Synonyms

Symbol Scientific Name
ONACA Onopordum acanthium L. ssp. acanthium

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae ⁄ Compositae – Aster family
Genus Onopordum L. – cottonthistle
Species Onopordum acanthium L. – Scotch cottonthistle

Subordinate Taxa

This plant has no children

Legal Status

Noxious Weed Information
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds .
Arizona Scotch thistle Prohibited noxious weed Scotch thistle Restricted noxious weed
Arkansas Onopordum
thistle Noxious weed
California Scotch thistle A list (noxious weeds)
Colorado Scotch thistle B list (noxious weeds)
Connecticut Scotch thistle Potentially invasive, banned
Idaho Scotch thistle Noxious weed
Missouri Scotch thistle Noxious weed
Nevada Scotch thistle Noxious weed
New Mexico Scotch thistle Class A noxious weed
Oklahoma Scotch thistle Noxious weed
Oregon Scotch thistle "B" designated weed Scotch thistle Quarantine
Utah Scotch thistle Noxious weed
Washington Scotch thistle Class B noxious weed Scotch thistle Noxious weed seed and plant quarantine
Wyoming Scotch thistle Noxious weed
U.S. Weed Information
Onopordum Onopordum acanthium Scotch cotton thistle Scotch thistle cotton thistle heraldic thistle This plant and the related entity italicized and indented above can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.
STATE Assorted authors. State noxious weed lists for 46 states . State agriculture or natural resource departments.
NE&GP Stubbendieck, J., G.Y. Friisoe,and M.R. Bolick. 1994. Weeds of Nebraska and the Great Plains . Nebraska Department of Agriculture, Bureau of Plant Industry. Lincoln, Nebraska.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.
WSWS Whitson, T.D. (ed.) et al.. 1996. Weeds of the West . Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming.

Wetland Status

Interpreting Wetland Status

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (ONAC)
CalPhotos (ONAC)
Integrated Taxonomic Information System (ONAC)
Jepson Interchange (University of California - Berkeley) (ONAC)
Native American Ethnobotany (University of Michigan - Dearborn) (ONAC)
USF Atlas of Florida Vascular Plants (ONAC)
University of Washington Burke Museum (ONAC)
University of Wisconsin - Stevens Point Freckmann Herbarium (ONAC)
Related Websites
AZ-Northern Arizona Weed Council (ONAC)
BLM Environmental Education-Weeds (ONAC)
CA-County Noxious Weed Project List (Scotch thistle) (ONAC)
CO-Douglas County Weed Education (ONAC)
Canada-Ontario Noxious Weeds (ONAC)
Idaho One Plan: noxious abstract & images (ONAC)
Invasive Plant Atlas of New England (ONAC)
NV-Extension Weed Wanted Posters (ONAC)
OK-OSU Extension-Thistles and their Identification (ONAC)
Swedish Virtual Flora: images & text (in Swedish) (ONAC)
UT-Unwanted Weeds-Utah Department of Transportation (ONAC)
Victoria - Natural Resources & Environment: Landcare Notes (ONAC)
WA-King County Noxious Weeds (ONAC)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onopordum+acanthium+sensu+lato&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onopordum+acanthium+sensu+lato&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

CalPhotos    
Contributors       Log In  
 

Number of matches : 1
Query: SELECT * FROM img WHERE ready=1 and taxon like "Onopordum acanthium sensu lato%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Onopordum acanthium sensu lato
Onopordum acanthium sensu lato
ID: 0175 3301 2362 0077 [detail]
© 2001 CDFA

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2019 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onopordum+acanthium&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onopordum+acanthium&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

CalPhotos    
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Number of matches : 40
Query: SELECT * FROM img WHERE ready=1 and taxon like "Onopordum acanthium%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0107 1204 [detail]
© 2007 Louis-M. Landry

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0107 1205 [detail]
© 2007 Louis-M. Landry

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0107 1207 [detail]
© 2007 Louis-M. Landry

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0107 1208 [detail]
© 2007 Louis-M. Landry

Onopordum acanthium
Onopordum acanthium
Cotton Thistle
ID: 0000 0000 0716 0391 [detail]
© 2016 Phil Pullen

Onopordum acanthium
Onopordum acanthium
ID: 3333 1111 0408 0040 [detail]
© University and Jepson Herbaria

Onopordum acanthium
Onopordum acanthium
Coton Thistle
ID: 0000 0000 1213 0675 [detail]
© 2013 Richard Spellenberg

Onopordum acanthium
Onopordum acanthium
Cotton Thistle
ID: 0000 0000 1213 0676 [detail]
© 2013 Richard Spellenberg

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0915 2851 [detail]
© 2015 Zoya Akulova

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0915 2852 [detail]
© 2015 Zoya Akulova

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 0915 2853 [detail]
© 2015 Zoya Akulova

Onopordum acanthium
Onopordum acanthium
Scotch Thistle
ID: 0000 0000 1117 1669 [detail]
© 2017 Thayne Tuason

Onopordum acanthium
Onopordum acanthium
Scotch Thistle
ID: 0000 0000 1117 1670 [detail]
© 2017 Thayne Tuason

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 1217 1452 [detail]
© 2017 Zoya Akulova

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 1218 2212 [detail]
© 2018 John Doyen

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 1218 2209 [detail]
© 2018 John Doyen

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 1218 2210 [detail]
© 2018 John Doyen

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 1218 2211 [detail]
© 2018 John Doyen

Onopordum acanthium
Onopordum acanthium
ID: 0000 0000 1218 2116 [detail]
© 2018 John Doyen

Onopordum acanthium sensu lato
Onopordum acanthium sensu lato
ID: 0175 3301 2362 0077 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0029 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0079 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0076 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0028 [detail]
© 2001 CDFA

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2019 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onopordum+acanthium+ssp.+acanthium&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Onopordum+acanthium+ssp.+acanthium&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

CalPhotos    
Contributors       Log In  
 

Number of matches : 20
Query: SELECT * FROM img WHERE ready=1 and taxon like "Onopordum acanthium ssp. acanthium%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0029 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0079 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0076 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0028 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0080 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0078 [detail]
© 2001 CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Cotton Thistle
ID: 0000 0000 1207 0343 [detail]
© 2007 Karel Castro-Morales

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0000 0000 1108 0964 [detail]
© 2008 John Dittes

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0000 0000 1108 0965 [detail]
© 2008 John Dittes

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
ID: 0000 0000 0512 1796 [detail]
© 2012 Dean Wm. Taylor Ph.D.

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
ID: 0000 0000 0612 0529 [detail]
© 2012 Dean Wm. Taylor

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Cotton Thistle
ID: 0000 0000 0415 1909 [detail]
© 2015 Daniel Lay

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Cotton Thistle
ID: 0000 0000 0415 1910 [detail]
© 2015 Daniel Lay

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
ID: 0000 0000 0416 0844 [detail]
© 2016 Dean Wm. Taylor

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0075 [detail]
© CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0027 [detail]
© CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0024 [detail]
© CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0025 [detail]
© CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0177 3303 3353 0026 [detail]
© CDFA

Onopordum acanthium ssp. acanthium
Onopordum acanthium ssp. acanthium
Scottish Thistle
ID: 0175 3301 2362 0081 [detail]
© CDFA

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


Copyright © 1995-2019 UC Regents. All rights reserved.

CalPhotos is a project of BNHM      University of California, Berkeley

Updated: 2020-02-19 13:54:35 gmt
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