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Centaurea jacea L.
BROWN KNAPWEED
Brownray knapweed

Life   Plantae   Dicotyledoneae   Asteraceae   Centaurea

Centaurea jacea
© Les Mehrhoff, 2008-2010 · 8
Centaurea jacea

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Centaurea jacea
© Les Mehrhoff, 2008-2010 · 4
Centaurea jacea
Centaurea jacea
© Les Mehrhoff, 2008-2010 · 4
Centaurea jacea

Centaurea jacea
© Les Mehrhoff, 2008-2010 · 4
Centaurea jacea
Centaurea jacea
© Les Mehrhoff, 2008-2010 · 4
Centaurea jacea

Centaurea jacea
© Les Mehrhoff, 2008-2010 · 4
Centaurea jacea
Centaurea jacea
© Les Mehrhoff, 2008-2010 · 3
Centaurea jacea

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Pseudopanurgus parvus @ AMNH_BEE (3)
Apidae  Bombus griseocollis @ AMNH_BEE (1)

Bombus pensylvanicus @ AMNH_BEE (5)

Bombus ternarius @ AMNH_BEE (3)

Ceratina mikmaqi @ AMNH_BEE (2)

Melissodes desponsa @ AMNH_BEE (1)

Melissodes druriella @ AMNH_BEE (2)
Dermateaceae  Pirottaea brevipila @ BPI (2)
Erysiphaceae  Erysiphe cichoracearum @ BPI (7)
Halictidae  Augochlorella aurata @ AMNH_BEE (1)

Halictus ligatus @ AMNH_BEE (1)

Halictus rubicundus @ AMNH_BEE (4)

Lasioglossum paraforbesii @ AMNH_BEE (1)

Lasioglossum perpunctatum @ AMNH_BEE (1)

Lasioglossum pruinosum @ AMNH_BEE (1)

Lasioglossum semicaeruleum @ AMNH_BEE (1)

Lasioglossum versans @ AMNH_BEE (1)
Megachilidae  Megachile brevis @ AMNH_BEE (1)

Megachile centuncularis @ AMNH_BEE (3)

Megachile latimanus @ AMNH_BEE (2)

Megachile mendica @ AMNH_BEE (1)

Megachile relativa @ AMNH_BEE (1)
Mycosphaerellaceae  Cercosporella triboutiana @ BPI (1)

Ramularia centaureae @ BPI (1)

Rhabdospora coriacea @ BPI (2)
Peronosporaceae  Bremia lactucae @ BPI (8)
Phaeosphaeriaceae  Leptosphaeria derasa @ BPI (2)

Leptosphaeria dolioloides @ BPI (2)
Pucciniaceae  Puccinia calcitrapae @ BPI (2)

Puccinia caricis-montanae @ BPI (5)

Puccinia centaureae-caricis @ BPI (3)

Puccinia centaureae @ BPI (61)

Puccinia cnici-oleracei @ BPI (1)

Puccinia hieracii @ BPI (8)

Puccinia jaceae @ 842725A (1); 842725B (1); BPI (19)

Puccinia tenuistipes @ BPI (12)

Puccinia @ BPI (1)

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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=CEJA ---> https://plants.usda.gov/java/profile?symbol=CEJA
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=CEJA

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

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

Click on the thumbnail to see an enlargement

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0116 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0117 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0118 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0119 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0120 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0121 [detail]
© 2005 Dr. Amadej Trnkoczy

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 : 6
Query: SELECT * FROM img WHERE ready=1 and taxon like "Centaurea jacea nothossp. pratensis%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
ID: 0000 0000 0911 0852 [detail]
© 2011 Jean Pawek

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
ID: 0000 0000 0911 0853 [detail]
© 2011 Jean Pawek

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
ID: 0000 0000 0911 0854 [detail]
© 2011 Jean Pawek

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
Meadow Knapweed
ID: 0000 0000 1114 2608 [detail]
© 2014 Richard Spellenberg

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
Meadow Knapweed
ID: 0000 0000 1114 2609 [detail]
© 2014 Richard Spellenberg

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
Meadow Knapweed
ID: 0000 0000 1114 2610 [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 .   


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 : 1
Query: SELECT * FROM img WHERE ready=1 and taxon like "Centaurea jacea ssp. nigra%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Centaurea jacea ssp. nigra
Centaurea jacea ssp. nigra
Black Knapweed
ID: 0000 0000 0902 0465 [detail]
© 2002 Molly Elizabeth Bagley

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 : 20
Query: SELECT * FROM img WHERE ready=1 and taxon like "Centaurea jacea%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 0902 0464 [detail]
© 2002 Molly Elizabeth Bagley

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 1008 0559 [detail]
© 2008 Zoya Akulova

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 1008 0561 [detail]
© 2008 Zoya Akulova

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 1208 0548 [detail]
© 2008 Keir Morse

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 1208 0549 [detail]
© 2008 Keir Morse

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 1208 0550 [detail]
© 2008 Keir Morse

Centaurea jacea
Centaurea jacea
Brown Knapweed
ID: 0000 0000 1010 2097 [detail]
© 2010 Dr.Thomas K. Voekler

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
ID: 0000 0000 0911 0852 [detail]
© 2011 Jean Pawek

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
ID: 0000 0000 0911 0853 [detail]
© 2011 Jean Pawek

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
ID: 0000 0000 0911 0854 [detail]
© 2011 Jean Pawek

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
Meadow Knapweed
ID: 0000 0000 1114 2608 [detail]
© 2014 Richard Spellenberg

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
Meadow Knapweed
ID: 0000 0000 1114 2609 [detail]
© 2014 Richard Spellenberg

Centaurea jacea nothossp. pratensis
Centaurea jacea nothossp. pratensis
Meadow Knapweed
ID: 0000 0000 1114 2610 [detail]
© 2014 Richard Spellenberg

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0116 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0117 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0118 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0119 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0120 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. jacea
Centaurea jacea ssp. jacea
Brown Knapweed
ID: 0000 0000 1105 0121 [detail]
© 2005 Dr. Amadej Trnkoczy

Centaurea jacea ssp. nigra
Centaurea jacea ssp. nigra
Black Knapweed
ID: 0000 0000 0902 0465 [detail]
© 2002 Molly Elizabeth Bagley

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 02:39:26 gmt
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