white pine blister rust

Noun
  1. Any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally (synset 114301335)
    is a type of: rust - a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
    same as: blister rust, white-pine rust

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