Comfrey Rust - Melampsorella symphyti
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.
Unless identified by a recognised expert, a photo is required. Please state the host plant on any records for this rust.
Wherever the host Comfrey plants occur.
When the host plants are in leaf.
Widespread in Britain.
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
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015