A riker mount containing Verticillium wilt (Verticillium albo-atrum) on Cercis canadensis/C. chinensis (Redbud/Chinese Redbud) . Specimen collected in Winfield, Illinois.
These specimens are available for checkout via the Plant Pathology Lab of The Morton Arboretum. For more information, fill out the form here
and an Arboretum staff member will contact you.