Verbatim text: Batra, S. W. T., J. R. Coulson, P. H. Dunn, and P. E. Boldt. 1981. Insects and Fungi Associated with Carduus Thistles (Compositae). Washington. [U.S.D.A. Techn. Bull. 1616.]
Author: Batra, S.W.T., Coulson, J.R., Dunn, P.H., Boldt, P.E.
Year: 1981
Title: Insects and Fungi Associated with Carduus Thistles (Compositae)
Journal: U.S.D.A. Techn. Bull
Volume: 1616