Decay in Mine Timbers–Part II: Basidiomycetes Associated with Decay of Coal Mine Timbers

In an effort to identify fungi responsible for decay of coal mine timbers, 177 basidiomycetous isolates–158 of which were identified–were obtained from decaying timbers in 18 mines from 6 major coal mining states. The brown-rot fungus Coniophora puteana comprising 83 of those isolates frequently was isolated from both hardwood and softwood hosts. Twenty- seven other fungi were identified from the remaining isolates Of these only “Chain-chlamydospore,” Irpex lacteus, Cystostereum pini-canadense, Coriolus versicolor, Stereum gausapatum, S. complicatum, Xylobolus frustulatus, and ‘Unknown R” were Isolated four or more times. The frequency of fungal isolation by mine locale was recorded.

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