International Symposia on Biological Control of Weeds

Cirsium vulgare - Bull thistle

Article	Lead Author	Year
Density and survival of Urophora stylata (Diptera: Tephritidae) on Cirsium vulgare (Compositae) in relation to flower head and gall size	Redfern	1984
Biological control of weeds in Washington: status report	Piper	1984
Density and survival of introduced populations of Urophora stylata (Diptera: Tephritidae) in Cirsium vulgare (Compositae) in Canada, compared with native populations	Redfern	1988
Aspects of the biology of the spear thistle rust fungus in Victoria, Australia	Bruzzese	1988