Erica lusitanica vs Spanish heath

Erica lusitanica and Spanish heath both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erica lusitanica	Yes	No	No	No
Spanish heath	Yes	No	No	No

As nouns, Erica lusitanica and Spanish heath are synonyms defined as:

Erica lusitanica and Spanish heath: erect dense shrub native to western Iberian peninsula having profuse white or pink flowers; naturalized in southwestern England

Other synonyms of Erica lusitanica include Portuguese heath.

Erica lusitanica (noun)	Spanish heath (noun)
erect dense shrub native to western Iberian peninsula having profuse white or pink flowers; naturalized in southwestern England	erect dense shrub native to western Iberian peninsula having profuse white or pink flowers; naturalized in southwestern England