''Pustula tragopogonis'', the goatsbeard white rust, is an

oomycete Oomycota forms a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms, called oomycetes (). They are filamentous and heterotrophic, and can reproduce both sexually and asexually. Sexual reproduction of an oospore is the resul ...

plant pathogen Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomy ...

unrelated to

fungal A fungus ( : fungi 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 a kingdom, separately from ...

organisms. ''Albugo tragopogonis'' is the old name for ''Pustula tragopogonis'', the causal agent of white blister disease on goatsbeard (''Tragopogon'' spp.).

References

Water mould plant pathogens and diseases Albuginaceae {{plant-disease-stub