ground pine vs lycopod

ground pine and lycopod both are nouns.

Word	Noun	Adjective	Verb	Adverb
ground pine	Yes	No	No	No
lycopod	Yes	No	No	No

As nouns, lycopod is a hypernym of ground pine; that is, lycopod is a word with a broader meaning than ground pine:

ground pine: any of several club mosses having long creeping stems and erect branches
lycopod: primitive evergreen moss-like plant with spores in club-shaped strobiles

Other hypernyms of ground pine include club-moss, club moss.

ground pine (noun)	lycopod (noun)
any of several club mosses having long creeping stems and erect branches	primitive evergreen moss-like plant with spores in club-shaped strobiles
low-growing annual with yellow flowers dotted red; faintly aromatic of pine resin; Europe, British Isles and North Africa