mugo pine vs true pine

mugo pine and true pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
mugo pine	Yes	No	No	No
true pine	Yes	No	No	No

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

mugo pine: low shrubby pine of central Europe with short bright green needles in bunches of two
true pine: a coniferous tree

Other hypernyms of mugo pine include pine, pine tree.

mugo pine (noun)	true pine (noun)
low shrubby pine of central Europe with short bright green needles in bunches of two	a coniferous tree