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Cirsium horridulum Michx.
YELLOW THISTLE
Life   Plantae   Dicotyledoneae   Asteraceae   Cirsium

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

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Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum

Cirsium horridulum
© Copyright Bobby Hattaway 2011 · 5
Cirsium horridulum
Cirsium horridulum
© Les Mehrhoff, 2008-2010 · 5
Cirsium horridulum

Associates · map
FamilyScientific name @ source (records)
Aphididae  Capitophorus elaeagni @ NCSU_ENT (10)
Apidae  Anthophora occidentalis @ BBSL (1)

Bombus bimaculatus @ UCMS_ENT (2)
Delphacidae  Pissonotus nitens @ UDCC_TCN (4)
Halictidae  Agapostemon virescens @ UCMS_ENT (3)

Halictus ligatus @ UCMS_ENT (2)

Lasioglossum coriaceum @ UCMS_ENT (1)
Megachilidae  Coelioxys rufitarsis @ UCMS_ENT (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Cirsium horridulum Michx. var. horridulum Yellow Thistle
Asteraceae — Aster family
Native
Cirsium horridulum var. horridulum Cirsium horridulum var. horridulum
The yellow color is more common. Thompsons Bridge Road
June 2008

Guide to Cirsium of Delaware

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=CIHO2 ---> https://plants.usda.gov/java/profile?symbol=CIHO2
https://plants.usda.gov/java/profile?symbol=CIHO2 ---> http://plants.usda.gov/core/profile?symbol=CIHO2
http://plants.usda.gov/core/profile?symbol=CIHO2 ---> https://plants.usda.gov/core/profile?symbol=CIHO2
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You are here: Home / Plant Profile

Cirsium horridulum Michx.
yellow thistle

Image of Cirsium horridulum

General Information
Symbol: CIHO2
Group: Dicot
Family: Asteraceae
Duration: Annual
Biennial
Growth Habit : Forb/herb
Native Status : L48   N
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 Cirsium thumbnails at the Plants Gallery

Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species . South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements .

Clarence A. Rechenthin. Provided by USDA NRCS East Texas PMC (ETPMC) . Usage Requirements .

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

©James H. Miller. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

©Ted Bodner. James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press., Athens. Provided by University of Georgia Press . Scanned by Forestry Images . Usage Requirements .

©Erica Asai. United States, FL, Columbia Co, Osceola National Forest. April 7, 2007. Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. Usage Requirements .

©Jeff McMillian. Provided by Almost Eden . United States, LA. 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: 553. Provided by Kentucky Native Plant Society . Scanned by Omnitek Inc . Usage Requirements .

USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team . 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 Cirsium Mill. – thistle
Species Cirsium horridulum Michx. – yellow thistle

Subordinate Taxa

The Plants Database includes the following 2 subspecies of Cirsium horridulum . Click below on a thumbnail map or name for subspecies profiles. Plant is native (blue) Native Plant is introduced Introduced Plant is introduced Native and Introduced Related taxa legend Distribution of <i>
Cirsium horridulum</i>
Michx. var. <i>
horridulum </i>
Cirsium horridulum var. horridulum
yellow thistle Distribution of <i>
Cirsium horridulum</i>
Michx. var. <i>
vittatum</i>
(Small) R.W. Long
Cirsium horridulum var. vittatum
yellow thistle

Legal Status

Threatened and Endangered 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 protected plant list for that location.
Connecticut yellow thistle Endangered
New Hampshire yellow thistle Endangered
Pennsylvania horrible thistle Endangered
Rhode Island yellow thistle Threatened
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 Cirsium
thistle Noxious weed
Iowa Cirsium
thistle Primary noxious weed
U.S. Weed Information
Cirsium Cirsium horridulum yellow 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.
SWSS Southern Weed Science Society. 1998. Weeds of the United States and Canada. CD-ROM . Southern Weed Science Society. Champaign, Illinois.

Wetland Status

Interpreting Wetland Status

North America
Atlantic and Gulf Coastal Plain FAC
Eastern Mountains and Piedmont FACU
Great Plains FAC
Midwest FACU
Northcentral & Northeast FACU

Related Links

More Accounts and Images
ARS Germplasm Resources Information Network (CIHO2)
Integrated Taxonomic Information System (CIHO2)
Lady Bird Johnson Wildflower Center Native Plant Information Network (CIHO2)
Native American Ethnobotany (University of Michigan - Dearborn) (CIHO2)
USF Atlas of Florida Vascular Plants (CIHO2)
University of Tennessee Herbarium (Distribution) (CIHO2)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Miller Low

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds
Miller

Sources

Miller, J.H., and K.V. Miller. 1999. Forest plants of the southeast and their wildlife uses . Southern Weed Science Society.

Description of Values

Value Class Food Cover
High Average 25-50% of diet Regular source of cover
Low 5-10% of diet Infrequently used as cover
Minor 2-5% of diet Sparsely used as cover
Moderate Average 10-25% of diet Occasional source of cover


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Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 19, 20 and 21 Page 99, 113, 114 , 115 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Cirsium

11. Cirsium horridulum Michaux, Fl. Bor.-Amer. 2: 90. 1803.

Bristly or horrid or yellow or bull thistle

Biennials or perennials , (± fleshy), 15—250 cm; stout taproots and a fascicle of fleshy lateral roots, often perennating by root sprouts. Stems 1—several, usually erect, often stout, glabrous to densely tomentose; branches 0—many, spreading to ascending, short, stout. Leaves : blades linear to oblanceolate or oblong-elliptic, 10—40 × 2—10 cm, unlobed and spiny-dentate to deeply pinnatifid, lobes spiny-dentate or coarsely lobed, main spines stout, 5—30 mm, abaxial faces subglabrous to loosely tomentose, adaxial glabrous to ± densely villous with septate trichomes; basal present at flowering, spiny winged-petiolate, bases often tapered; principal cauline sessile, well distributed, often not much reduced distally, bases often ± auriculate-clasping; distal cauline often spinier than the proximal. Heads 1—20 in subcapitate to corymbiform arrays (each closely subtended by an involucre-like ring of spiny-margined bracts). Peduncles 0—5 cm. Involucres hemispheric to campanulate, 3—5 × 3—8 cm. Phyllaries in 5—9 series, subequal to imbricate, light green to stramineous, lanceolate to linear, distally often with reddish margins, abaxial faces without glutinous ridge, often ± thinly tomentose, often scabridulous in submarginal bands; outer and middle appressed-ascending, bodies usually reddish-tinged, margins setulose-ciliolate, apices acuminate, spines 1—2 mm, weak; apices of inner straight, flat. Corollas white to yellow, pink, purple, or red, 30—47 mm, tubes 11—30 mm, throats 6—10 mm, lobes 7—10 mm; style tips 3—5 mm. Cypselae straw-colored to tan, 4—6 mm, apical collars weakly differentiated; pappi 25—35 mm. 2 n = 32, 33, 34, 35.

Varieties 4 (3 in the flora): e United States, Mexico.

Although several variants have been given taxonomic recognition as species, these seem at most races. Flower color varies greatly, sometimes within populations and sometimes on a populational or regional basis. Herbarium specimens are sometimes difficult to assign to variety.

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 6
Query: SELECT * FROM img WHERE ready=1 and taxon like "Cirsium horridulum%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Cirsium horridulum
Cirsium horridulum
Purple Thistle
ID: 0000 0000 0107 1910 [detail]
© 2007 Matt Below

Cirsium horridulum
Cirsium horridulum
Purple Thistle
ID: 0000 0000 0107 1911 [detail]
© 2007 Matt Below

Cirsium horridulum
Cirsium horridulum
ID: 0000 0000 0508 0592 [detail]
© 2008 Dean Kelch

Cirsium horridulum
Cirsium horridulum
Yellow Thistle
ID: 0000 0000 0614 0846 [detail]
© 2014 Richard Spellenberg

Cirsium horridulum
Cirsium horridulum
Yellow Thistle
ID: 0000 0000 0614 0847 [detail]
© 2014 Richard Spellenberg

Cirsium horridulum
Cirsium horridulum
Yellow Thistle
ID: 0000 0000 0614 0848 [detail]
© 2014 Richard Spellenberg

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 .   


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