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- 909. 1753. , Gen. Pl. ed. 5, 389. 1754. name conserved David J. Keil, Jörg Ochsmann Common names: Knapweed star thistle cornflower centaurée Etymology: Greek16 KB (1,523 words) - 20:37, 6 November 2020
- squarrosa Lamarck in J. Lamarck et al., Encycl. 1: 670. 1785. David J. Keil, Jörg Ochsmann WeedyIntroduced Treatment appears in FNA Volume 19. Treatment on page2 KB (93 words) - 19:32, 6 November 2020
- stoebe subsp. micranthos Linnaeus Sp. Pl. 2: 914. 1753. David J. Keil, Jörg Ochsmann Treatment appears in FNA Volume 19. Treatment on page 189. Mentioned4 KB (398 words) - 19:20, 6 November 2020
- depressa M. Bieberstein Fl. Taur.-Caucas. 2: 346. 1808. David J. Keil, Jörg Ochsmann Common names: Low cornflower Treatment appears in FNA Volume 19. Treatment3 KB (239 words) - 20:50, 5 November 2020
- speciesCentaurea scabiosa Linnaeus Sp. Pl. 2: 913. 1753. David J. Keil, Jörg Ochsmann Common names: Greater knapweed hardheads centaurée scabieuse Introduced3 KB (264 words) - 20:50, 5 November 2020
- speciesCentaurea diluta Aiton Hort. Kew. 3: 261. 1789. David J. Keil, Jörg Ochsmann Common names: North African knapweed Introduced Treatment appears in3 KB (235 words) - 20:50, 5 November 2020
- iberica Treviranus ex Sprengel Syst. Veg. 3: 406. 1826. David J. Keil, Jörg Ochsmann Common names: Iberian star thistle or knapweed Introduced Treatment appears4 KB (341 words) - 20:50, 5 November 2020
- speciesCentaurea montana Linnaeus Sp. Pl. 2: 911. 1753. David J. Keil, Jörg Ochsmann Common names: Mountain cornflower or bluet centaurée des montagnes Introduced3 KB (307 words) - 20:50, 5 November 2020
- speciesCentaurea phrygia Linnaeus Sp. Pl. 2: 910. 1753. David J. Keil, Jörg Ochsmann Common names: Wig knapweed Introduced Synonyms: Centaurea austriaca Willdenow4 KB (410 words) - 20:50, 5 November 2020
- diffusa Lamarck in J. Lamarck et al., Encycl. 1: 675. 1785. David J. Keil, Jörg Ochsmann Common names: Diffuse or tumble or white knapweed centaurée diffuse Introduced4 KB (456 words) - 20:50, 5 November 2020
- [Willdenow] 3(3): 2298 (-2299). 1803 [Apr-Dec 1803]. David J. Keil, Jörg Ochsmann Common names: Globe centaurea big-head knapweed yellow bachelor’s button4 KB (335 words) - 23:45, 8 December 2021
- speciesCentaurea nigra Linnaeus Sp. Pl. 2: 911. 1753. David J. Keil, Jörg Ochsmann Common names: Black knapweed lesser knapweed centaurée noire Introduced4 KB (345 words) - 20:50, 5 November 2020
- benedicta (Linnaeus) Linnaeus Sp. Pl. ed. 2, 2: 1296. 1763. David J. Keil, Jörg Ochsmann Common names: Blessed thistle chardon bénit IntroducedIllustrated Basionym:4 KB (413 words) - 20:50, 5 November 2020
- speciesCentaurea cyanus Linnaeus Sp. Pl. 2: 911. 1753. David J. Keil, Jörg Ochsmann Common names: Bachelor’s-button garden cornflower cornflower bluebot4 KB (353 words) - 20:50, 5 November 2020
- speciesCentaurea calcitrapa Linnaeus Sp. Pl. 2: 917. 1753. David J. Keil, Jörg Ochsmann Common names: Purple star-thistle caltrops chausse-trappe centaurée chausse-trappe4 KB (396 words) - 20:50, 5 November 2020
- speciesCentaurea melitensis Linnaeus Sp. Pl. 2: 917. 1753. David J. Keil, Jörg Ochsmann Common names: Tocalote Maltese star thistle or centaury Napa thistle croix3 KB (321 words) - 20:50, 5 November 2020
- speciesCentaurea nigrescens Willdenow Sp. Pl. 3: 2288. 1803. David J. Keil, Jörg Ochsmann Common names: Tyrol or short-fringed or Vochin knapweed centaurée noirâtre5 KB (555 words) - 20:50, 5 November 2020
- Gugler Ann. Hist.-Nat. Mus. Natl. Hung. 6: 248. 1908. David J. Keil, Jörg Ochsmann Common names: Squarrose knapweed WeedyIntroduced Basionym: Centaurea4 KB (393 words) - 20:50, 5 November 2020
- speciesCentaurea sulphurea Willdenow Enum. Pl., 930. 1809. David J. Keil, Jörg Ochsmann Common names: Sicilian star-thistle sulphur-colored Sicilian thistle sulphur3 KB (281 words) - 20:50, 5 November 2020
- Repert. Spec. Nov. Regni Veg. Beih. 30(2): 766. 1931. David J. Keil, Jörg Ochsmann Common names: Spotted knapweed centaurée maculée ou tachetée IntroducedIllustrated4 KB (356 words) - 20:50, 5 November 2020