Cirsium vulgare English English English Spear thistle English bull thistle English English English English Cirsium vulgare Cirsium vulgare English English English English English Cirsium vulgare English English English bull thistle Spear Thistle Cirsium vulgare bull thistle English English Cirsium vulgare English English English English English English English English English bull thistle bull thistle English English bull thistles English Wikipedia Cirsium vulgare English bull thistle English English Wikipedia bull thistle Cirsium vulgare English English Bull Thistle English English English English Cirsium Vulgare English English Cirsium vulgare English English http://en.wikipedia.org/wiki/Cirsium_vulgare bull thistle English English bull thistles English bull thistle English English bull thistle English English English http://en.wikipedia.org/wiki/Cirsium_vulgare bull thistle English English bull thistle