Erica lusitanica vs Portuguese heath

Erica lusitanica and Portuguese heath both are nouns.

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

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

Erica lusitanica and Portuguese 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 Spanish heath.

Erica lusitanica (noun)	Portuguese 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