potato fungus vs Rhizoctinia solani

potato fungus and Rhizoctinia solani both are nouns.

Word	Noun	Adjective	Verb	Adverb
potato fungus	Yes	No	No	No
Rhizoctinia solani	Yes	No	No	No

As nouns, potato fungus and Rhizoctinia solani are synonyms defined as:

potato fungus and Rhizoctinia solani: fungus causing a disease in potatoes characterized by black scurfy spots on the tubers

Other synonyms of potato fungus include Pellicularia filamentosa.

potato fungus (noun)	Rhizoctinia solani (noun)
fungus causing a disease in potatoes characterized by black scurfy spots on the tubers	fungus causing a disease in potatoes characterized by black scurfy spots on the tubers