Carduus pycnocephalus L.
PLYMOUTH THISTLE
Carduus tenuiflorus auct, non Curtis; Italian plumeless thistle
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Carduus pycnocephalus
© Copyright Mel Harte 2010 · 3
Carduus pycnocephalus
Carduus pycnocephalus
© Copyright Mel Harte 2010 · 3
Carduus pycnocephalus

Carduus pycnocephalus
© Copyright Mel Harte 2010 · 3
Carduus pycnocephalus
Carduus pycnocephalus
© Copyright Mel Harte 2010 · 3
Carduus pycnocephalus

Associates · map
FamilyScientific name @ source (records)
Aphididae  Capitophorus elaeagni @ CSCA_TCN (1)
Apidae  Apis mellifera @ BBSL (4)

Bombus melanopygus @ BBSL (3)

Eucera cordleyi @ BBSL (1)

Melissodes lupina @ BBSL (1)
Cicadellidae  Ceratagallia ( @ UCR_ENT (7)
Dictyopharidae  Orgerius concordus @ UCR_ENT (1)
Halictidae  Lasioglossum titusi @ BBSL (1)
Megachilidae  Megachile apicalis @ BBSL (1)

Megachile montivaga @ BBSL (1)

Osmia atrocyanea @ BBSL (1)

Osmia californica @ BBSL (7)

Osmia coloradensis @ BBSL (8)

Osmia montana @ BBSL (1)

Osmia nemoris @ BBSL (1)

Osmia tristella @ BBSL (1)

Stelis montana @ BBSL (1)
Miridae  Dionconotus cruentatus @ UCR_ENT (1)

Irbisia brachycera @ UCR_ENT (1)

Irbisia californica @ UCR_ENT (3)

Irbisia mollipes @ UCR_ENT (12)

Irbisia silvosa @ UCR_ENT (1)

Irbisia solani @ UCR_ENT (11)

Irbisia @ UCR_ENT (1)
Nogodinidae  Danepteryx artemisiae @ UCR_ENT (9)
Pentatomidae  Cosmopepla uhleri @ UCR_ENT (1)
Rhopalidae  Boisea rubrolineata @ UCR_ENT (4)
_  unknown unknown @ UCR_ENT (1)

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Following modified from Global Invasive Species Team, The Nature Conservancy
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&pull 20q v4.662 20091102: Error 403 Forbidden http://wiki.bugwood.org/Carduus_pycnocephalus/

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=CAPY2 ---> https://plants.usda.gov/java/profile?symbol=CAPY2
https://plants.usda.gov/java/profile?symbol=CAPY2 ---> http://plants.usda.gov/core/profile?symbol=CAPY2
http://plants.usda.gov/core/profile?symbol=CAPY2 ---> https://plants.usda.gov/core/profile?symbol=CAPY2
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You are here: Home / Plant Profile

Carduus pycnocephalus L.
Italian plumeless thistle

Image of Carduus pycnocephalus

General Information
Symbol: CAPY2
Group: Dicot
Family: Asteraceae
Duration: Annual
Growth Habit : Forb/herb
Native Status : HI   I
L48   I
Data Source and Documentation
About our new maps
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 Carduus thumbnails at the Plants Gallery

Brother Alfred Brousseau. Provided by St. Mary's College of California . ©St. Mary's College of California. Usage Requirements .

slideshow

Synonyms

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 Carduus L. – plumeless thistle
Species Carduus pycnocephalus L. – Italian plumeless thistle

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 .
Arkansas Carduus
thistle Noxious weed
California Italian thistle C list (noxious weeds)
Iowa Carduus
thistle Primary noxious weed
Oregon Italian thisle "B" designated weed Italian thisle Quarantine
Washington Italian thistle Class A noxious weed Italian thistle Noxious weed seed and plant quarantine
U.S. Weed Information
Carduus Carduus pycnocephalus Italian thistle compact-headed 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.
Cal-IPC California Invasive Plant Council. 2006. California Invasive Plant Inventory. Cal-IPC Publication 2006-02 (1 February 2007). California Invasive Plant Council. Berkeley, California.
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 (CAPY2)
CalPhotos (CAPY2)
Integrated Taxonomic Information System (CAPY2)
Jepson Interchange (University of California - Berkeley) (CAPY2)
Related Websites
International Survey of Herbicide Resistant Weeds (WSSA) (CAPY2)
The Nature Conservancy: Wildland Weeds Management & Research Program (CAPY2)
Victoria - Natural Resources & Environment: Landcare Notes (CAPY2)

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


CalPhotos     Photo Database

 

Number of matches : 92
Query: SELECT * FROM img WHERE ready=1 and taxon like "Carduus pycnocephalus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0046 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0175 3301 3810 0095 [detail]
© 2001 CDFA

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0045 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0048 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0049 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0175 3301 3810 0097 [detail]
© 2001 CDFA

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0047 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0175 3301 3810 0098 [detail]
© 2001 CDFA

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0175 3301 3810 0099 [detail]
© 2001 CDFA

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 8120 3181 4901 0068 [detail]
Charles Webber
© 1998 California Academy of Sciences

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0175 3301 3810 0100 [detail]
© 2001 CDFA

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 8120 3181 4567 0122 [detail]
Charles Webber
© 1998 California Academy of Sciences

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0043 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0175 3301 3810 0096 [detail]
© 2001 CDFA

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 5207 1611 1109 0044 [detail]
© 1995 Saint Mary's College of California

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 0000 0000 1104 0320 [detail]
© 2004 Carol W. Witham

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 0000 0000 1104 0321 [detail]
© 2004 Carol W. Witham

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 0000 0000 0505 1496 [detail]
© 2005 Luigi Rignanese

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0000 0000 0705 0782 [detail]
© 2005 Brianna M. Richardson

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0000 0000 0705 0783 [detail]
© 2005 Brianna M. Richardson

Carduus pycnocephalus
Carduus pycnocephalus
Italian Thistle
ID: 0000 0000 0705 0784 [detail]
© 2005 Brianna M. Richardson

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 0000 0000 0306 0356 [detail]
© 2006 Chris Wagner, SBNF

Carduus pycnocephalus
Carduus pycnocephalus
Italian Plumeless Thistle
ID: 0000 0000 0306 0357 [detail]
© 2006 Chris Wagner, SBNF

Carduus pycnocephalus
Carduus pycnocephalus
ID: 0000 0000 0306 0605 [detail]
© 2006 Luigi Rignanese

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 © 1995-2016 UC Regents. All rights reserved.

CalPhotos is a project of BSCIT      University of California, Berkeley

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

Number of matches : 9
Query: SELECT * FROM img WHERE ready=1 and taxon like "Carduus pycnocephalus ssp. pycnocephalus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0912 0501 [detail]
© 2012 Jean Pawek

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0313 5202 [detail]
© 2013 Jean Pawek

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0313 5203 [detail]
© 2013 Jean Pawek

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0313 5204 [detail]
© 2013 Jean Pawek

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0313 5205 [detail]
© 2013 Jean Pawek

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0315 0962 [detail]
© 2015 Barry Breckling

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0315 3082 [detail]
© 2015 Barry Breckling

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0515 2449 [detail]
© 2015 Robert Sikora

Carduus pycnocephalus ssp. pycnocephalus
Carduus pycnocephalus ssp. pycnocephalus
Italian Thistle
ID: 0000 0000 0116 1006 [detail]
© 2016 Robert Sikora

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 © 1995-2016 UC Regents. All rights reserved.

CalPhotos is a project of BSCIT      University of California, Berkeley

Updated: 2017-09-23 14:45:34 gmt
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