| Noun | 1. | genus Corticium - genus of fungi having simple smooth sporophores; some are parasitic on wood or economic crops; some species formerly placed in form genus Rhizoctinia fungus genus - includes lichen genera family Thelephoraceae, Thelephoraceae - fungi having leathery or membranous sporophores Corticium salmonicolor, pink disease fungus - fungus causing pink disease in citrus and coffee and rubber trees etc bottom rot fungus, Corticium solani - fungus causing bottom rot in lettuce |