Prunus pumilla susquehanae vs Prunus pumila

Prunus pumilla susquehanae and Prunus pumila both are nouns.

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

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

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

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

Prunus pumilla susquehanae (noun)	Prunus pumila (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