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0 0 Centaurea

Centaurea

by VerlisiaConcord, California, USA

1 0 Centaurea

Centaurea

by eulalia rubioMurcia, Región de Murcia, Spain

2 5 Centaurea montana

Centaurea montana

by venusflytrap2000Harrisburg, Pennsylvania, USA

Centaurea species

0 0 Centaurea & bee

Centaurea & bee

by Marta RubioTexeiraWallonie, Belgium

Plombières.

0 0 centaureas

centaureas

by StavrosApostolouΖωγράφου, Περιφέρεια Αττικής, Greece

1 0 Centaurea ebenoides (Κενταύρια η εβενοειδής)

Centaurea ebenoides (Κενταύρια η εβενοειδής)

by DespinaTsafetopoulouΒόλος, Θεσσαλία - Στερεά Ελλάδα, Greece

Centaurea ebenoides , a Greek endemic

0 0 Centaurea

Centaurea

by clelia notesulrigoRavascletto, Friuli Venezia Giulia, Italy

0 0 starthistles ?

starthistles ?

by DavidSantosLisboa, Portugal

0 0 Bracera

Bracera

by RamonPinyolSalvadóRasquera, Catalunya, Spain

1 1 rough star-thistle; tramaladro

rough star-thistle; tramaladro

by Jose CastañoCatalunya, Spain

Centaurea aspera

3 0 Korenbloem (Centaurea cyanus)

Korenbloem (Centaurea cyanus)

by MatthijsZoetermeer, Zuid-Holland, Netherlands

1 0 Brown Knapweed

Brown Knapweed

by SvitlanaKudrenkoЧеркаська область, Ukraine

0 0 Centaurea

Centaurea

by AncaMocanAlba, Romania

0 0 Brown Knapweed

Brown Knapweed

by JimJohnson2Pennsylvania, USA

0 0 Iberian starthistle

Iberian starthistle

by JackGrahamکندهار, Kandahar, Afghanistan

0 0 Iberian starthistle

Iberian starthistle

by JackGrahamغزنی / Ghazni, Ghazni غزني, Afghanistan

2 1 Centaurea minore

Centaurea minore

by MicheleTorrisiFiumedinisi, SIC, Italy

0 0 Common knapweed

Common knapweed

by RikMartinNorth Norfolk, England, United Kingdom

0 2 Brown knapweed

Brown knapweed

by Marta RubioTexeiraSlovenia

Vipava, Slovenia.

0 0 korenbloem (Centaurea cyanus)

korenbloem (Centaurea cyanus)

by MatthijsΑποκεντρωμένη Διοίκηση Ηπείρου - Δυτικής Μακεδονίας, Greece

not sure about the ID..

1 0 Iberian Star-Thistle

Iberian Star-Thistle

by JackGrahamParwan پروان, Afghanistan

8 6 Centaurea cyanus - Búzavirág

Centaurea cyanus - Búzavirág

by ArpicheckSzázhalombatta, Közép-Magyarország, Hungary

0 0 Brown knapweed

Brown knapweed

by Linnea JoandiStockholms län, Sweden

0 0 Centaurea sonchifolia

Centaurea sonchifolia

by eulalia rubioRequena, Comunitat Valenciana, Spain

Dunas de la playa de L'Almardá (valencia).

0 2 Mountain Cornflower

Mountain Cornflower

by LuisStevensFrutillar Bajo, X Región de Los Lagos, Chile

alien like flower

0 0 Greater Knapweed

Greater Knapweed

by MartinUrbanGemeinde Perchtoldsdorf, Niederösterreich, Austria

Skabiosen Flockenblume

2 1 Centaurea

Centaurea

by Marta RubioTexeiraMaasmechelen, Vlaanderen, Belgium

Prairy field in Connecterra, Hoge Kempen National Park, Maasmechelen.

0 4 Knapweed

Knapweed

by CoraVajnaiLa Celle-sous-Gouzon, Limousin, Tromelin Island

1 2 Bachelors button

Bachelors button

by Emma Walnut Creek, California, USA

0 0 Bachelors Button

Bachelors Button

by Emma Walnut Creek, California, USA

0 1 Cornflower

Cornflower

by LarsKorbHohenhorn, Schleswig-Holstein (Landmasse), Germany

5 7 Cornflower

Cornflower

by Sachin ZaveriAhmedabad, Gujarat, India

1 1 Greater Knapweed, Skabiosen-Flockenblume

Greater Knapweed, Skabiosen-Flockenblume

by EvaHBayern, Germany

I found this white flower inmidst of normal purple-red Knapweeds.

1 6 Knapweed

Knapweed

by J Maine, USA

2 0 Cornflower

Cornflower

by stoplamek1975województwo śląskie, Poland

0 0 Knappweed

Knappweed

by judyYarmouth, Massachusetts, USA

1 1 Knapweed

Knapweed

by saffyreyzPennsylvania, USA

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