DISEASE: Bacterial fasciation (Leafy gall)
HOST: Clover
Leafy gall on stem.

Bacterial fasciation (Leafy gall) | Clover
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Clover (Melilotus officinalis)
PATHOGEN: Rhodococcus fascians
SOURCE: H. van Hoof, M. Geesteranus
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Viola (Horned violet)
The disease causes distortion and overgrowth of axillary buds.

Bacterial fasciation (Leafy gall) | Viola (Horned violet)
DISEASE: Bacterial fasciation (Leafy gall)
HOST: Viola (Horned violet) (Viola cornuta)
PATHOGEN: Rhodococcus fascians
SOURCE: M. Putnam
DISEASE: Bois noir disease
HOST: Grape
Infected plant with typical symptoms of rolling, triangular-trapezoid-shaped leaves with desiccated appearance.

Bois noir disease | Grape
DISEASE: Bois noir disease
HOST: Grape (Vitis vinifera 'Pinot Noir')
PATHOGEN: 'Candidatus Phytoplasma solani'
PATHOGEN SYNONYM: Phytoplasma Stolbur group
SOURCE: W. Schweigkofler