DISEASE: Bacterial leaf spot
HOST: Croton
Leaves with dry, irregularly shaped, brown necrotic areas.

Bacterial leaf spot | Croton
DISEASE: Bacterial leaf spot
HOST: Croton (Codiaeum variegatum)
PATHOGEN: Xanthomonas codiaei
SOURCE: A. Chase
DISEASE: Dogwood stunt
HOST: Dogwood
Diseased plant with small leaves (left).

Dogwood stunt | Dogwood
DISEASE: Dogwood stunt
HOST: Dogwood (Cornus sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: W. Sinclair
DISEASE: Oak leaf scorch
HOST: Oak
Oak with scorched leaf tips.

Oak leaf scorch | Oak
DISEASE: Oak leaf scorch
HOST: Oak (Quercus kelloggii)
PATHOGEN: Xylella fastidiosa
SOURCE: S. Kostka