common valerian vs Valeriana officinalis

common valerian and Valeriana officinalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
common valerian	Yes	No	No	No
Valeriana officinalis	Yes	No	No	No

As nouns, common valerian and Valeriana officinalis are synonyms defined as:

common valerian and Valeriana officinalis: tall rhizomatous plant having very fragrant flowers and rhizomes used medicinally

Other synonyms of common valerian include garden heliotrope.

common valerian (noun)	Valeriana officinalis (noun)
tall rhizomatous plant having very fragrant flowers and rhizomes used medicinally	tall rhizomatous plant having very fragrant flowers and rhizomes used medicinally