DISEASE: Angular leaf spot
HOST: Strawberry
Advanced stage of disease with dry, brownish necrotic lesions on upper leaf surface.

Angular leaf spot | Strawberry
DISEASE: Angular leaf spot
HOST: Strawberry (Fragaria chiloensis)
PATHOGEN: Xanthomonas fragariae
SOURCE: A. Alvarez
DISEASE: Slime flux
HOST: Elm
Although bacteria are associated with slime fluxes of many trees, the causal agents have not been identified.

Slime flux | Elm
DISEASE: Slime flux
HOST: Elm (Ulmus pumila)
PATHOGEN: Causal agent unknown
SOURCE: W. Sinclair