brown root rot fungus vs Thielavia basicola

brown root rot fungus and Thielavia basicola both are nouns.

Word	Noun	Adjective	Verb	Adverb
brown root rot fungus	Yes	No	No	No
Thielavia basicola	Yes	No	No	No

As nouns, brown root rot fungus and Thielavia basicola are synonyms defined as:

brown root rot fungus and Thielavia basicola: fungus causing brown root rot in plants of the pea and potato and cucumber families

brown root rot fungus (noun)	Thielavia basicola (noun)
fungus causing brown root rot in plants of the pea and potato and cucumber families	fungus causing brown root rot in plants of the pea and potato and cucumber families