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.

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.


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.

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map