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Asteraceae
Centaurea
Centaurea nigra
Centaurea nigra
Common knapweed
L. 1753 -
Sp. Pl.: 911 (1753)
Specifications
Images
Synonyms
Centaurea jacea var. nigra
(L.) Coss. & Germ.
Centaurea jacea subsp. nigra
(L.) Bonnier & Layens
Phrygia nigra
Gray
Centaurea vulgaris var. nigra
(L.) Godr.