bull thistle cirsium vulgare

africa agriland america are areas asteraceae australia background biennial black bull cirsium cirsiumn cirsiumnbull common conducted deal deeply flower flowering forming genus great green grey initiative insect invasive leaves lived lobed longitudinal marsh monocarpic most national naturalised nectar north numerous palustre plant plants pollinators production project provides rosette ruderal scotland short some spear species spine spined stoutly supported survey tall taproot tipped top vulgare weed winged wings