Micromeria chamissonis vs yerba buena

Micromeria chamissonis and yerba buena both are nouns.

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

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

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

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

Micromeria chamissonis (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