Burnet rose rust

burnet rose rust - Phragmidium rosae-pimpinellifoliae

 

burnet rose rust

It looks like someone’s been out marking the wild roses with fluorescent orange spray paint. In fact, this is a natural fungal pathogen, snappily called Phragmidium rosae-pimpinellifoliae, that infests wild burnet roses and also their cultivated cousins.

 

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