Calflora
24 matching records.
Searching for: genus: Centaurea
Click on the Scientific Name to see a Taxon Report.
Centaurea babylonica
Syrian knapweed
non-native
Perennial herb
no photo
Centaurea benedicta
Blessed thistle
non-native
Annual herb
Centaurea benedicta
© 2009 Neal Kramer
CalPhotos (UCB)
Centaurea benedicta
© 2008 Luigi Rignanese
CalPhotos (UCB)
Centaurea benedicta
© 2006 Chris Wagner, SBNF
CalPhotos (UCB)
Centaurea calcitrapa
Purple star thistle
invasive non-native
Annual, Perennial herb
Centaurea calcitrapa
© 2005 Luigi Rignanese
CalPhotos (UCB)
Centaurea calcitrapa
© 2019 MCOSD EDRR
Centaurea calcitrapa
© 2008 Jennifer Buck
CalPhotos (UCB)
Centaurea calcitrapoides
Smallhead starthistle
non-native
Annual, Perennial herb
no photo
Centaurea cineraria
Dusty miller
non-native
Perennial herb
Centaurea cineraria
© 2001 CDFA
CalPhotos (UCB)
Centaurea cineraria
© 2001 CDFA
CalPhotos (UCB)
Centaurea cineraria
© 2001 CDFA
CalPhotos (UCB)
Centaurea cyanus
Batchelor's button
non-native
Annual herb
Centaurea cyanus
© 2020 Joe Engelbrecht
Centaurea cyanus
© 2009 Neal Kramer
CalPhotos (UCB)
Centaurea cyanus
© 2011 Louis-M. Landry
CalPhotos (UCB)
Centaurea diffusa
Diffuse knapweed
invasive non-native
Perennial herb
Centaurea diffusa
© 2001 CDFA
CalPhotos (UCB)
Centaurea diffusa
© 2002 Molly Elizabeth Bagley
CalPhotos (UCB)
Centaurea diffusa
© 2001 CDFA
CalPhotos (UCB)
Centaurea diluta
Star-thistle
invasive non-native
Annual herb
Centaurea diluta
© 2015 Ron Vanderhoff
Centaurea diluta
© 2019 Ron Vanderhoff
Centaurea diluta
© 2018 James Bailey
Centaurea eriophora
Wild sandheath
non-native
Perennial herb
no photo
Centaurea iberica
Iberian knapweed
non-native
Perennial herb
Centaurea iberica
© 2001 CDFA
CalPhotos (UCB)
Centaurea iberica
© 2001 CDFA
CalPhotos (UCB)
Centaurea iberica
© 2001 CDFA
CalPhotos (UCB)
Centaurea jacea
Brownray knapweed
non-native
Perennial herb
Centaurea jacea
© 2008 Zoya Akulova
CalPhotos (UCB)
Centaurea jacea
© 2005 Dr. Amadej Trnkoczy
CalPhotos (UCB)
Centaurea jacea
© 2005 Dr. Amadej Trnkoczy
CalPhotos (UCB)
Centaurea jacea ssp. jacea
Brown knapweed
non-native
Perennial herb
Centaurea jacea ssp. jacea
© 2005 Dr. Amadej Trnkoczy
CalPhotos (UCB)
Centaurea jacea ssp. jacea
© 2005 Dr. Amadej Trnkoczy
CalPhotos (UCB)
Centaurea jacea ssp. jacea
© 2005 Dr. Amadej Trnkoczy
CalPhotos (UCB)
Centaurea jacea ssp. nigra
Black knapweed
non-native
Perennial herb
Centaurea jacea ssp. nigra
© 2005 Louis-M. Landry
CalPhotos (UCB)
Centaurea jacea ssp. nigra
© 2005 Louis-M. Landry
CalPhotos (UCB)
Centaurea jacea ssp. nigra
© 2009 Phil Pullen
CalPhotos (UCB)
Centaurea jacea ssp. pratensis
Meadow knapweed
invasive non-native
Annual, Perennial herb
Centaurea jacea ssp. pratensis
© 2011 Jean Pawek
CalPhotos (UCB)
Centaurea jacea ssp. pratensis
© 2011 Jean Pawek
CalPhotos (UCB)
Centaurea jacea ssp. pratensis
© 2014 Richard Spellenberg
CalPhotos (UCB)
Centaurea melitensis
Tocalote
invasive non-native
Annual herb
Centaurea melitensis
© 2019 Ron Vanderhoff
Centaurea melitensis
© 2012 Gary McDonald
CalPhotos (UCB)
Centaurea melitensis
© 2019 Arlee Montalvo
Centaurea nigrescens
Tyrol knapweed
non-native
Perennial herb
Centaurea nigrescens
© 2008 Keir Morse
CalPhotos (UCB)
Centaurea nigrescens
© 2008 Keir Morse
CalPhotos (UCB)
Centaurea nigrescens
© 2008 Keir Morse
CalPhotos (UCB)
Centaurea pouzinii
Pouzin's star-thistle
non-native
Perennial herb
no photo
Centaurea solstitialis
Yellow starthistle
invasive non-native
Annual herb
Centaurea solstitialis
© 2004 Carol W. Witham
CalPhotos (UCB)
Centaurea solstitialis
© 2019 Arlee Montalvo
Centaurea solstitialis
© 2020 Cynthia Powell
Centaurea stoebe
Spotted knapweed
non-native
Perennial herb
Centaurea stoebe
© 2011 Dr.Thomas K. Voekler
CalPhotos (UCB)
Centaurea stoebe
© 2020 Bob Sweatt
Centaurea stoebe
© 2020 Bob Sweatt
Centaurea stoebe ssp. micranthos
Spotted knapweed
invasive non-native
Perennial herb
Centaurea stoebe ssp. micranthos
© 2005 Louis-M. Landry
CalPhotos (UCB)
Centaurea stoebe ssp. micranthos
© 2012 Zoya Akulova
CalPhotos (UCB)
Centaurea stoebe ssp. micranthos
© 2012 Zoya Akulova
CalPhotos (UCB)
Centaurea sulphurea
Sicilian starthistle
non-native
Annual herb
Centaurea sulphurea
© 2001 CDFA
CalPhotos (UCB)
Centaurea sulphurea
© 2001 CDFA
CalPhotos (UCB)
Centaurea sulphurea
© 2001 CDFA
CalPhotos (UCB)
Centaurea virgata
Squarrose knapweed
non-native
Perennial herb
Centaurea virgata
© 2013 Gerald Carr (ssp. squarrosa)
Centaurea virgata
© 2013 Gerald Carr (ssp. squarrosa)
Centaurea virgata
© 2015 Zoya Akulova (ssp. squarrosa)
CalPhotos (UCB)
Centaurea virgata ssp. squarrosa
Squarrose knapweed
invasive non-native
Perennial herb
Centaurea virgata ssp. squarrosa
© 2002 Molly Elizabeth Bagley
CalPhotos (UCB)
Centaurea virgata ssp. squarrosa
© 2013 Gerald Carr
Centaurea virgata ssp. squarrosa
© 2013 Gerald Carr
Centaurea ×pouzinii
Pouzin's purple star thistle
non-native
Annual, Perennial herb
no photo
    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Dec 05, 2020).

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