DISEASE: Bacterial leaf spot
HOST: Hawaiian ticktrefoil
Hawaiian ticktrefoil with orange-yellow lesions surrounded by broad yellow halos.
![](/sites/default/files/plant_disease/images/0366.jpg)
Bacterial leaf spot | Hawaiian ticktrefoil
DISEASE: Bacterial leaf spot
HOST: Hawaiian ticktrefoil (Desmodium sandwicense)
PATHOGEN: Xanthomonas axonopodis pv. desmodii
PATHOGEN SYNONYM: Xanthomonas campestris pv. desmodii
SOURCE: I. Buddenhagen
DISEASE: Bunch disease (Witches'-broom)
HOST: Butternut
Bunch disease of butternut.
![](/sites/default/files/plant_disease/images/0174.jpg)
Bunch disease (Witches'-broom) | Butternut
DISEASE: Bunch disease (Witches'-broom)
HOST: Butternut (Juglans cinerea)
PATHOGEN: 'Candidatus Phytoplasma pruni'
PATHOGEN SYNONYM: Phytoplasma X-disease group
SOURCE: W. Sinclair