dryland blueberry vs dryland berry

dryland blueberry and dryland berry both are nouns.

Word	Noun	Adjective	Verb	Adverb
dryland blueberry	Yes	No	No	No
dryland berry	Yes	No	No	No

As nouns, dryland blueberry and dryland berry are synonyms defined as:

dryland blueberry and dryland berry: low deciduous shrub of the eastern United States bearing dark blue sweet berries

Other synonyms of dryland blueberry include Vaccinium pallidum.

dryland blueberry (noun)	dryland berry (noun)
low deciduous shrub of the eastern United States bearing dark blue sweet berries	low deciduous shrub of the eastern United States bearing dark blue sweet berries