California yellow bells vs yellow bells

California yellow bells and yellow bells both are nouns.

Word	Noun	Adjective	Verb	Adverb
California yellow bells	Yes	No	No	No
yellow bells	Yes	No	No	No

As nouns, California yellow bells and yellow bells are synonyms defined as:

California yellow bells and yellow bells: viscid herb of arid or desert habitats of southwestern United States having pendulous yellow flowers

Other synonyms of California yellow bells include Emmanthe penduliflora, whispering bells.

California yellow bells (noun)	yellow bells (noun)
viscid herb of arid or desert habitats of southwestern United States having pendulous yellow flowers	viscid herb of arid or desert habitats of southwestern United States having pendulous yellow flowers