M. Webb

Biological Control of Weeds. A World Catalogue of Agents and their Target Weeds.

M. Webb, 1999 .

1986 survey of upland grassland in England and Wales: changes in age structure and botanical composition since 1970–72 in relation to grassland management and physical features

A. Hopkins, P. Murray, P. J. Bowling, 1988 .

Even useful weeds are pests: Ethnobotany in the Bolivian Andes

J. Bentley, M. Webb, S. Pérez, 2005 .