class Charophyceae vs Charophyceae

class Charophyceae and Charophyceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Charophyceae	Yes	No	No	No
Charophyceae	Yes	No	No	No

As nouns, class Charophyceae and Charophyceae are synonyms defined as:

class Charophyceae and Charophyceae: in some classifications: contains only the order Charales

class Charophyceae (noun)	Charophyceae (noun)
in some classifications: contains only the order Charales	in some classifications: contains only the order Charales