noun

• A parasitic fungus that produces clumps of honey-coloured toadstools at the base of trees. The black hyphae invade a tree, causing decay or death and spreading out to other trees.

  Armillaria mellea, family Tricholomataceae, class Hymenomycetes

  ‘These are highly esteemed, including the ink caps and honey fungus.’

  More example sentences

  • ‘They are a pest in the eyes of most foresters, but many, such as the honey mushroom are edible.’
  • ‘The trees are being replaced by another species, hornbeam, because it was feared that the honey fungus disease that has killed the mature specimens would also attack young chestnut trees.’