Helicobasidiales
From Pestinfo-Wiki

Helicobasidium purpureum (click on image to enlarge it)
Author(s): Gerhard Koller
Source: Wikimedia Commons
Author(s): Gerhard Koller
Source: Wikimedia Commons
Helicobasidiales
This small order of basidiomycete fungi contains root parasites of vascular plants which have a rust-parasitic haplophase. It contains only 3 genera and only the genus Helicobasidium contains important plant pathogens.
The following genera are currently entered under this order: