Micromeria douglasii vs yerba buena

Micromeria douglasii and yerba buena both are nouns.

Word	Noun	Adjective	Verb	Adverb
Micromeria douglasii	Yes	No	No	No
yerba buena	Yes	No	No	No

As nouns, Micromeria douglasii and yerba buena are synonyms defined as:

Micromeria douglasii and yerba buena: trailing perennial evergreen herb of northwestern United States with small white flowers; used medicinally

Other synonyms of Micromeria douglasii include Micromeria chamissonis, Satureja douglasii.

Micromeria douglasii (noun)	yerba buena (noun)
trailing perennial evergreen herb of northwestern United States with small white flowers; used medicinally	trailing perennial evergreen herb of northwestern United States with small white flowers; used medicinally