California bluebell vs Phacelia whitlavia

California bluebell and Phacelia whitlavia both are nouns.

Word	Noun	Adjective	Verb	Adverb
California bluebell	Yes	No	No	No
Phacelia whitlavia	Yes	No	No	No

As nouns, California bluebell and Phacelia whitlavia are synonyms defined as:

California bluebell and Phacelia whitlavia: desert plant of southern California with blue or violet tubular flowers in terminal racemes

Other synonyms of California bluebell include Phacelia minor, whitlavia.

California bluebell (noun)	Phacelia whitlavia (noun)
annual of southern California with intricately branched stems and lax cymes of aromatic deep blue bell-shaped flowers	desert plant of southern California with blue or violet tubular flowers in terminal racemes
desert plant of southern California with blue or violet tubular flowers in terminal racemes