''Pseudocercospora puderi'' is a

fungal A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as one of the tradit ...

plant

pathogen In biology, a pathogen (, "suffering", "passion" and , "producer of"), in the oldest and broadest sense, is any organism or agent that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a Germ theory of d ...

infecting roses, including ''

Rosa gallica ''Rosa gallica'', the Gallic rose, French rose, or rose of Provins, is a species of flowering plant in the rose family, native to southern and central Europe eastwards to Turkey and the Caucasus. ''Rosa gallica'' was one of the first species of ...

''. It was originally found in

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

, USA. It produces sub-orbicular or irregular and angular leaf spots, from 2 to 5 mm wide. These are usually brown or grey-brown.

References

External links

USDA ARS Fungal Database
Fungal plant pathogens and diseases Rose diseases puderi Fungi described in 1976 Fungus species {{fungus-plant-disease-stub