#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
  subtype:  flax_rust_fungus  blister_rust  wheat_rust  cedar-apple_rust
  member of:  order_Uredinales
  part:  aecium  fruiting body of some rust fungi bearing chains of aeciospores
  part:  aeciospore  spore of a rust fungus formed in an aecium

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