Armillaria root rot
Root Diseases Caused By Basidiomycetes
Armillaria Root Rot
Root system of young pine with root rot.
Mycelial fans under the bark of infected pine.
Subterranean rhizomorphs produced by Armillaria.
Subcortical rhizomorphs produced by Armillaria.
Fruiting bodies of Armillaria ostoyae.
Culture of Armillaria showing rhizomorphs.
Cultures in the laboratory showing bioluminescence.
For people not familiar with Armillaria bioluminescence, the glowing of wood in the forest at night can be a frightening experience