#family_Melampsoraceae__Melampsoraceae  rust fungi
  supertype:  fungus_family  includes lichen families
  member of:  order_Uredinales
  member:  genus_Melampsora__Melampsora  rusts having sessile one-celled teliospores in a single layer
     member:  flax_rust_fungus__flax_rust__Melampsora_lini  fungus causing flax rust
  member:  genus_Cronartium__Cronartium  rust fungi having aecia produced in raised or swollen sori and teliospores borne in waxy columns
     member:  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

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