Prunus susquehanae vs Prunus pumilla susquehanae

Prunus susquehanae and Prunus pumilla susquehanae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Prunus susquehanae	Yes	No	No	No
Prunus pumilla susquehanae	Yes	No	No	No

As nouns, Prunus susquehanae and Prunus pumilla susquehanae are synonyms defined as:

Prunus susquehanae and Prunus pumilla susquehanae: small straggling American cherry growing on sandy soil and having minute scarcely edible purplish-black fruit

Other synonyms of Prunus susquehanae include Prunus cuneata, Prunus pumila, sand cherry.

Prunus susquehanae (noun)	Prunus pumilla susquehanae (noun)
small straggling American cherry growing on sandy soil and having minute scarcely edible purplish-black fruit	small straggling American cherry growing on sandy soil and having minute scarcely edible purplish-black fruit