Centaurea nigra posters & prints

Centaurea Nigra, Var. Decipiens; Black Knapweed, Var. B. Anonymous

Centaurea Nigra, Var. Decipiens; Black Knapweed, Var. B. Anonymous

Centaurea Nigra Var. Decipiens Black Knapweed Var. B. Anonymous

Centaurea David Roseburg

Centaurea Aspera Rough Star-Thistle Anonymous

Centaurea Aspera Rough Star-Thistle Anonymous

Centaurea Aspera; Rough Star-Thistle Anonymous

Centaurea Cyanus Blue-Bottle Anonymous

Centaurea Cyanus; Blue-Bottle Anonymous

Centaurea Scabiosa Greater Knapweed Anonymous

Centaurea Calcitrapa Star-Thistle Anonymous

Centaurea Scabiosa; Greater Knapweed Anonymous

Centaurea Calcitrapa; Star-Thistle Anonymous

Centaurea Solstitialis St. Barnaby's Thistle Anonymous

Brassica Nigra; Black Mustard Anonymous

Populus Nigra Black Poplar Anonymous

Porta Nigra, Treves Anonymous

Populus Nigra; Black Poplar Anonymous

Flower Beds in Front of Porta Nigra in Trier Anonymous

Brassica Nigra Black Mustard Anonymous

Ballota Nigra Var. Foetida Black Horehound Var. A. Anonymous

Sambucus Nigra Common Elder Anonymous

Ballota Nigra Var. Ruderalis Black Horehound Var. B. Anonymous

18th Century French Print of Cornflower Anonymous

Trier Porta Nigra, Germany Sophus Williams

Two Bachelor Buttons Ready to Bloom Tom Marks

Ms Fr. Fv VI #1 fol.129v Illustration from the 'Book of Simple Medicines' by Mattheaus Platearius c.1470 Robinet Testard

Phyllostachys nigra 'Boryana' (panther bamboo) - detail of culm sheath Anonymous

Cornflower Jane Loudon

Phyllostachys nigra 'Boryana' (panther bamboo) - shoot Anonymous

Phyllostachys nigra var. henonis (Henon bamboo) - shoot Anonymous

Sambucus nigra L. Walther Otto Müller

Phyllostachys nigra 'Boryana' (panther bamboo) Anonymous

Phyllostachys nigra 'Boryana' (panther bamboo) Anonymous

Phyllostachys nigra 'Boryana' (panther bamboo) Anonymous

Phyllostachys nigra (black bamboo) Anonymous