shining clubmoss vs club moss

shining clubmoss and club moss both are nouns.

Word	Noun	Adjective	Verb	Adverb
shining clubmoss	Yes	No	No	No
club moss	Yes	No	No	No

As nouns, club moss is a hypernym of shining clubmoss; that is, club moss is a word with a broader meaning than shining clubmoss:

shining clubmoss: a variety of club moss, also known as shining firmoss (Lycopodium lucidulum)
club moss: primitive evergreen moss-like plant with spores in club-shaped strobiles

Other hypernyms of shining clubmoss include club-moss, lycopod.

shining clubmoss (noun)	club moss (noun)
a variety of club moss, also known as shining firmoss (Lycopodium lucidulum)	primitive evergreen moss-like plant with spores in club-shaped strobiles