Gymnosporangium nidus-avis on Juniper

Gymnosporangium juniperi-virginianae

<b>Gymnosporangium nidus-avis</b>

- Rounded clumps of foliage can be seen throughout the tree canopy
- These clumps are witches brooms, or clusters of many small branches
- Swollen elongate areas with rough cracked bark can be seen on infected branches without witches brooms
- Orange jelly forms on needles and from cracks in infected bark during wet spring weather
- Common on Rocky Mountain juniper, eastern red cedar and prostrate juniper 

[click link below for photos]

Cedar-apple rust
Gymnosporangium juniperi-virginiana
- Brown 1/4 to 1 inch round woody galls on twigs
- Bright orange, long tentacle like fungal structures emerge from galls in wet spring weather
- Needles and twigs beyond galls may die on branches with many galls or on Rocky Mountain juniper

[click below for photos]

Juniper > Trunk/Branches > Unusual growths on branches