General information on root rots
General magazine article on the "seeing the humongous fungus"
Heterobasidion irregulare - old name Herterobasidion annosum (General information)
Coniferiporia (Phellinus) weirii and Coniferiporia (Phellinus) sulphurascens
Laboratory review: The following links for review material will be activated after the class has met.
Short video on Heterobasidion irregulare in Minnesota