Albugo candida (white rust) is a species from family Albuginaceae; however, all the other species in this family are called "white rust." Like other water moulds which are plant pathogens, it is sometimes called a fungus, but is in fact an Oomycete. Albugocandida candida is an obligate biotrophic oomycete that infects Brassicaceae species and cause diseases (white blister rust). At the genome level, Albugo candida has a relatively smaller genome than other oomycetes. Synonyms: Hosts: * Brassicaceae species.