fibrovascular bundle vs vascular bundle

fibrovascular bundle and vascular bundle both are nouns.

Word	Noun	Adjective	Verb	Adverb
fibrovascular bundle	Yes	No	No	No
vascular bundle	Yes	No	No	No

As nouns, fibrovascular bundle and vascular bundle are synonyms defined as:

fibrovascular bundle and vascular bundle: a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem

Other synonyms of fibrovascular bundle include vascular strand.

fibrovascular bundle (noun)	vascular bundle (noun)
a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem	a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem