Prunus pumila vs Prunus pumilla susquehanae

Prunus pumila and Prunus pumilla susquehanae both are nouns.

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

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

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

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

Prunus pumila (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