Healthy anthurium spathe and spadix. However, plants with latent infections appear healthy.
DISEASE:
HOST: Anthurium

| Anthurium
HOST: Anthurium (Anthurium andraeanum 'Pink Frost')
PATHOGEN:
SOURCE: A. Alvarez
DISEASE: Aster yellows
HOST: Ranunculus
Malformation of diseased flower.

Aster yellows | Ranunculus
DISEASE: Aster yellows
HOST: Ranunculus (Ranunculus sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: R. Raabe
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