Pustula tragopogonis

Pustula tragopogonis, the goatsbeard white rust, is an oomycete plant pathogen unrelated to fungal organisms.

Pustula tragopogonis
A sunflower leaf with white rust infection caused by Albugo tragopogonis.
Scientific classification
Domain:	Eukaryota
Clade:	Diaphoretickes
Clade:	Sar
Clade:	Stramenopiles
Phylum:	Oomycota
Order:	Albuginales
Family:	Albuginaceae
Genus:	Pustula
Species:	P. tragopogonis
Binomial name
Pustula tragopogonis (Pers.) Thines 2005 [1]

Albugo tragopogonis is the old name for Pustula tragopogonis,^[2] the causal agent of white blister disease on goatsbeard (Tragopogon spp.).