Clostridium botulinum vs botulinum

Clostridium botulinum and botulinum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clostridium botulinum	Yes	No	No	No
botulinum	Yes	No	No	No

As nouns, Clostridium botulinum and botulinum are synonyms defined as:

Clostridium botulinum and botulinum: anaerobic bacterium producing botulin the toxin that causes botulism

Other synonyms of Clostridium botulinum include botulinus.

Clostridium botulinum (noun)	botulinum (noun)
anaerobic bacterium producing botulin the toxin that causes botulism	anaerobic bacterium producing botulin the toxin that causes botulism