1) Fungus genus 2) Genus albugo 
Albugo is a genus of oomycetes which are not true fungi (Eumycota), although many discussions of this organism still treat it as a fungus. The taxonomy of this genus is incomplete, but several species are plant pathogens. Albugo is one of three genera currently described in the family Albuginaceae, the taxonomy of many species is still in flux. Th...
• (n.) Same as Leucoma.
Al·bu'go noun ; plural Albugines [ Latin , whiteness, from albus white.] (Medicine) Same as Leucoma . 
Albugo is an affection of the eye, consisting of a white opacity in the cornea.
[n] - type genus of the Albuginaceae
albugo 1. A disease of the eye, in which a white opaque spot forms upon the transparent cornea. 2. The white of an egg; albumen.
genus Albugo noun type genus of the Albuginaceae; fungi causing white rusts