New disease identification field guide from the University of Florida. This is a laminated handbook of many citrus HLB symptoms helpful to those in the field that need to diagnose problems.

• Aperture:ƒ/2.4• Taken:March 8, 2013• Focal length:4.13mm• ISO:50• Location:27° 57.99′ 0″ N 81° 52.89′ 0″ W• Shutter speed:1/24s