vascular strand vs vascular bundle

vascular strand and vascular bundle both are nouns.

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

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

vascular strand 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 vascular strand include fibrovascular bundle.

vascular strand (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