#rust_fungus__rust  any of various fungi causing rust disease in plants
  supertype:  fungus  a parasitic plant lacking chlorophyll and leaves and true stems and roots and reproducing by spores
  part:  aecium  aeciospore
  member of:  order_Uredinales
  subtype:  flax_rust_fungus__flax_rust__Melampsora_lini  fungus causing flax rust
  subtype:  blister_rust__blisterrust__Cronartium_ribicola  fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host
  subtype:  wheat_rust__wheatrust__Puccinia_graminis  rust fungus that attacks wheat
  subtype:  cedar-apple_rust__cedarapplerust__apple_rust__applerust__Gymnosporangium_juniperi-virginianae  rust fungus causing rust spots on apples and pears etc

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