Black knapweed 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 Scabiosa Greater Knapweed Anonymous

Centaurea Scabiosa; Greater Knapweed Anonymous

Knapweed, Ox-eye Daisy and Toad Flax Ursula Hodgson

Knap-weed or matfelon and cornflower or bluebottle Richard Waller

Hieracium Nigrescens; Black-Headed Hawkweed Anonymous

Herb Ellis Brian O'Connor

Hieracium Nigrescens Black-Headed Hawkweed Anonymous

Black Bitter-Vetch Collinson

Glaux Maritima Black Saltwort Anonymous

Death of Black Bess George Cruikshank

Black Tent John Singer Sargent

Study of Weeds, Kirkstall, 1803 John Sell Cotman

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

Anthemis Cotula Stinking Mayweed Anonymous

Close View of a Desert Plant Anonymous

Kelp Anonymous

Phyllostachys iridescens (bamboo) - young culm Anonymous

Milkweed, 2012 Anonymous

Cone Flower David Roseburg

Fern Silhouette Brett Weston

Carex Atrata Black Sedge Anonymous

Black-eyed Susans (Rudbeckia hirta) Anonymous

black-eyed Susan Anonymous

The Mask of the Black Curtain Fernand Khnopff

The Black Bottle Samuel John Peploe

Ribes Nigrum; Black Currant Anonymous

View of the Penitentiary at Blackwell's Island Illustration Anonymous

Carex Atrata; Black Sedge Anonymous

Ivy Growing on a Cement Wall Anonymous

Populus Nigra; Black Poplar Anonymous

Black Woman in Cap and Gingham Dress Doris Ulmann

Poppies in Black and white Neela Pushparaj

The Black Watch at the Battle of Tel-el-Kebir on the 13th September, 1882 Henri-Louis Dupray