The form genus Rhizoctinia refers to a group of pathogenic fungi that can cause disease in a range of plant species. Synonyms for this genus include Corticium solani, Pellicularia filamentosa, Rhizoctonia bataticola, and Thanatephorus cucumeris. These fungi are characterized by their ability to produce sclerotia, which are compact structures that allow them to survive in the soil for extended periods of time. Rhizoctinia fungi can also infect plant stems and foliage, causing symptoms that range from wilting and yellowing to stunted growth and premature death. Understanding the various synonyms for this genus can be helpful in identifying and controlling these harmful pathogens in agricultural settings.