Triphragmium ulmariae
| Triphragmium ulmariae | |
|---|---|
| Mature gall on a leaf of meadowsweet (Filipendula ulmaria) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Fungi | 
| Division: | Basidiomycota | 
| Class: | Pucciniomycetes | 
| Order: | Pucciniales | 
| Family: | Sphaerophragmiaceae | 
| Genus: | Triphragmium | 
| Species: | T. ulmariae | 
| Binomial name | |
| Triphragmium ulmariae (DC.) Link | |
| Synonyms | |
| Puccinia ulmariae DC. (1808) | |
Triphragmium ulmariae is a species of rust fungus in the family Sphaerophragmiaceae. It causes meadowsweet rust gall, which develops as a chemically induced swelling, arising from the lower surface of the meadowsweet (Filipendula ulmaria) leaves.