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Cirsium arvense (L.) Scop.
PERENNIAL THISTLE
Creeping thistle; Canada Thistle; Serratula arvensis L; Carduus arvensis L Robson; Cnicus arvensis L Roth; Breea arvensis L Less; Cephalonoplos arvensis L Fourr; Carduus lanatus Roxb ex Willd; Cirsium lanatum Roxb ex Willd Spreng

Life   Plantae   Dicotyledoneae   Asteraceae   Cirsium

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

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

Cirsium arvense
© Copyright Bobby Hattaway 2011 · 5
Cirsium arvense
Cirsium arvense
© Les Mehrhoff, 2008-2010 · 4
Cirsium arvense

Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense
Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense

Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense
Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense

Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense
Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense

Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense
Cirsium arvense
© Copyright Mel Harte 2010 · 3
Cirsium arvense

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma cirsii @ BPI (1)
Albuginaceae  Albugo spinulosus @ BPI (10)

Albugo tragopogonis @ BPI (36)
Andrenidae  Andrena crataegi @ UCMS_ENT (2)

Andrena medionitens @ BBSL (1)

Andrena vicina @ UCMS_ENT (1)

Andrena wilkella @ B_AW (1)
Aphididae  Aphis ( @ AMNH_PBI (5); NCSU_ENT (4)

Brachycaudus ( @ AMNH_PBI (2); CSUC_TCN (1); NCSU_ENT (1)

Capitophorus carduinus @ NCSU_ENT (3)

Capitophorus elaeagni @ AMNH_PBI (2); NCSU_ENT (3)

Macrosiphum ( @ NCSU (1)

Uroleucon ( @ NCSU (7)
Apidae  Anthophora terminalis @ RMBL_ENT (1)

Anthophora urbana @ BBSL (1)

Apis mellifera @ BBSL (1); MLSB__N16- (13)

Bombus appositus @ BBSL (1)

Bombus ashtoni @ CUIC_ENT (4)

Bombus bimaculatus @ MLSB__N16- (1)

Bombus borealis @ UCRC_ENT (1)

Bombus californicus @ BBSL__JPS (1)

Bombus caliginosus @ BBSL (2)

Bombus fervidus @ BBSL__JPS (11); B_AW (1); UCMS_ENT (1); UCRC_ENT (1)

Bombus flavidus @ EMEC (16)

Bombus flavifrons @ DART_ENT (1)

Bombus griseocollis @ BBSL (1); MLSB__N16- (3); UCMS_ENT (1)

Bombus huntii @ BBSL (3)

Bombus insularis @ BBSL (3)

Bombus lapidarius @ I_JSA (3)

Bombus mixtus @ BBSL (5)

Bombus occidentalis @ BBSL__JPS (2)

Bombus perplexus @ EMEC (28)

Bombus rufocinctus @ BBSL (27)

Bombus suckleyi @ BBSL (1)

Bombus terricola @ EMEC (7)

Bombus vagans @ BBSL__JPS (1); B_AW (2); UCRC_ENT (2); EMEC (1)

Ceratina calcarata @ MLSB__N16- (9); UCMS_ENT (6)

Ceratina dupla @ UCMS_ENT (4)

Ceratina mikmaqi @ UCMS_ENT (1)

Ceratina nanula @ BBSL (1)

Diadasia enavata @ BBSL (6)

Melissodes bimaculatus @ MLSB__N16- (1)

Melissodes desponsa @ CUIC_ENT (23)

Melissodes rivalis @ BBSL (1)

Melissodes subillatus @ MLSB__N16- (1)

Nomada articulata @ UCMS_ENT (1)

Svastra obliqua @ BBSL (1)

Triepeolus donatus @ CUIC_ENT (15)

Xylocopa virginica @ CUIC_ENT (1)
Botryosphaeriaceae  Phyllosticta cirsii @ BPI (2)
Braconidae  Lysiphlebus ( @ AMNH_PBI (3)
Ceratostomataceae  Sphaeroderma theleboloides @ BPI (1)
Chrysomelidae  Diabrotica undecimpunctata @ MLSB__N16- (1)
Coccinellidae  Harmonia axyridis @ MLSB__N16- (1)
Colletidae  Colletes fulgidus @ BBSL (1)

Colletes kincaidii @ BBSL (1)

Colletes phaceliae @ BBSL (4)

Colletes simulans @ CUIC_ENT (1)

Hylaeus affinis/modestus @ MLSB__N16- (1); B_AW (1)

Hylaeus affinis @ UCMS_ENT (4)

Hylaeus bisinuatus @ BBSL (1)

Hylaeus episcopalis @ BBSL (7); RMBL_ENT (1)

Hylaeus modestus @ UCMS_ENT (1); RMBL_ENT (1)

Hylaeus schwarzii @ UCMS_ENT (1)

Hylaeus wootoni @ BBSL (1)

Leioproctus fulvescens @ BBSL (1)
Crabronidae  Bembix americana @ I_ADG (1)

Glenostictia pictifrons @ I_ADG (1)
Dermateaceae  Mollisia cinerea @ BPI (1)

Mollisia teucrii @ BPI (2)

Niptera carduorum @ BPI (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (3)

Erysiphe mayorii @ BPI (4)

Sphaerotheca fuliginea @ BPI (1)
Halictidae  Agapostemon angelicus @ BBSL (1)

Agapostemon virescens @ BBSL (5); B_AW (1); UCMS_ENT (7)

Augochlora pura @ B_AW (1)

Augochlorella aurata @ B_AW (1)

Augochloropsis metallica @ B_AW (1)

Halictus confusus @ B_AW (1)

Halictus farinosus @ BBSL (1)

Halictus ligatus @ B_AW (5); UCMS_ENT (1)

Halictus tripartitus @ BBSL (2)

Lasioglossum albipenne @ B_AW (1)

Lasioglossum coriaceum @ UCMS_ENT (1)

Lasioglossum egregium @ BBSL (1)

Lasioglossum hitchensi @ B_AW (1)

Lasioglossum paradmirandum @ B_AW (1)

Lasioglossum pectorale @ UCMS_ENT (3)

Lasioglossum pilosum @ AMNH_BEE (1)

Lasioglossum pruinosum @ BBSL (1)

Lasioglossum sisymbrii @ BBSL (1)

Lasioglossum titusi @ BBSL (2)

Sphecodes confertus @ AMNH_BEE (2)

Sphecodes davisii @ B_AW (1)
Helotiaceae  Cyathicula cyathoidea @ BPI (2)
Megachilidae  Heriades carinata @ MLSB__N16- (1); B_AW (1)

Megachile brevis @ BBSL (1)

Megachile centuncularis @ MLSB__N16- (1)

Megachile frigida @ MLSB__N16- (1)

Megachile inermis @ CUIC_ENT (1)

Megachile latimanus @ CUIC_ENT (9); UCMS_ENT (1)

Megachile mendica @ MLSB__N16- (1)

Megachile pugnata @ CUIC_ENT (7)

Megachile texana @ BBSL (1)

Megachile wheeleri @ BBSL (2)

Osmia bruneri @ BBSL (1)

Osmia californica @ BBSL (1)

Osmia coloradensis @ BBSL__BBSLID (2)
Membracidae  Campylenchia latipes @ NCSU (1); UDCC_NRI (2)

Entylia carinata @ UDCC_TCN (56); NCSU (6); UDCC_NRI (2)
Miridae  Lygus hesperus @ NCSU_ENT (5)

Slaterocoris breviatus @ AMNH_PBI (1)

Stenotus binotatus @ NCSU_ENT (2)
Muscidae  Stomoxys calcitrans @ MLSB__N16- (1)
Mycosphaerellaceae  Mycosphaerella cirsii-arvensis @ BPI (7)

Ramularia cirsii-arvensis @ BPI (1)

Ramularia filaris @ BPI (1)

Septoria arvensis @ BPI (1)

Septoria cirsii @ BPI (31)
Nectriaceae  Fusarium tricinctum @ BPI (1)
Peronosporaceae  Bremia lactucae @ 786296A (1); BPI (6)
Phaeosphaeriaceae  Ophiobolus acuminatus @ BPI (4)

Ophiobolus cirsii @ BPI (1)
Pleosporaceae  Alternaria montanica @ BPI (1)
Pucciniaceae  Puccinia cirsii @ BPI (4)

Puccinia obtegens @ BPI (19)

Puccinia punctiformis @ BPI (232)

Puccinia suaveolens @ 786296B (1); BPI (118); 842765B (1); 842765A (1)

Puccinia @ BPI (1)
Rhytismataceae  Leptostroma herbarum @ BPI (1)
Syrphidae  Syritta pipiens @ MLSB__N16- (1)
Tricholomataceae  Helotium herbarum @ BPI (1)
Typhulaceae  Pistillaria micans @ BPI (1)

Typhula grevillei @ 296014A (1); 296014B (1)
_  Aecidiolum cirsii @ BPI (1)

Cystopus tragopogonis @ BPI (1)

Pyrenochaeta erysiphoides @ BPI (1)

Sphaeronaema sessatulae @ BPI (1)

Uredo suaveolens @ BPI (2)

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Delaware Wildflowers  •  Scientific names

Cirsium arvense (L.) Scop. Canada Thistle
Asteraceae — Aster family
Invasive non-native
Cirsium arvense
White Clay Creek State Park -- Possum Hill
June 2001 Cirsium arvense
Prides Crossing
September 2009 Cirsium arvense
White Clay Creek State Park -- Possum Hill
June 2011 Cirsium arvense
White Clay Creek State Park -- Possum Hill
May 2020

Guide to Cirsium of Delaware

Search Google Delaware USDA

Photos copyright David G. Smith

Information from the Delaware Flora Checklist used with author's permission.

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Updated: 2024-05-19 21:07:12 gmt
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