Comfrey Rust - Melampsorella symphyti
Description
The rust fungus Melampsorella symphyti affects various members of the Comfrey family including Common Comfrey and Russian Comfrey. There is some yellowing of the upper surface of affected leaves, but the underside may be completely covered with the yellow-orange rust.
Identification difficulty

Recording advice
Unless identified by a recognised expert, a photo is required. Please state the host plant on any records for this rust.
Habitat
Wherever the host Comfrey plants occur.
When to see it
When the host plants are in leaf.
UK Status
Widespread in Britain.
VC55 Status
Status in Leicestershire and Rutland is difficult to determine due to lack of records.
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015