Melampsora laricis-populina

A yellowy-orange rust fungus that affects the leaves of various species of Poplar.

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Wherever the host trees occur.

When the host trees are in leaf.

Widespread in England and Wales.

Status in Leicestershire and Rutland not known.