Valeriana officinalis vs common valerian

Valeriana officinalis and common valerian both are nouns.

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

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

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

Other synonyms of Valeriana officinalis include garden heliotrope.

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