S. cinerea (left), S. atrocinerea (center, right) -- Tidmarsh Farms, Plymouth, Sep--Nov 2011
cinerea atrocinerea atrocinerea
Willows at border of surveyed area (left: due south; right: due north). Most willows fit S.cinerea
border of infestation border of infestation
Photography by A. Zinovjev (Salicicola.com)