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Asteraceae
Centaurea
Centaurea nigrescens
Centaurea nigrescens
Tyrol knapweed
Willd. 1803 -
Sp. Pl., ed. 4, 3: 2288 (1803)
Specifications
Images
Synonyms
Centaurea pratensis subsp. nigrescens
(Willd.) P.Fourn.
Centaurea dubia subsp. nigrescens
(Willd.) Hayek
Centaurea jacea subsp. nigrescens
(Willd.) Čelak.