Ulmus sarniensis vs Ulmus campestris wheatleyi

Ulmus sarniensis and Ulmus campestris wheatleyi both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ulmus sarniensis	Yes	No	No	No
Ulmus campestris wheatleyi	Yes	No	No	No

As nouns, Ulmus sarniensis and Ulmus campestris wheatleyi are synonyms defined as:

Ulmus sarniensis and Ulmus campestris wheatleyi: a variety of the English elm with erect branches and broader leaves

Other synonyms of Ulmus sarniensis include guernsey elm, Jersey elm, Ulmus campestris sarniensis, wheately elm.

Ulmus sarniensis (noun)	Ulmus campestris wheatleyi (noun)
a variety of the English elm with erect branches and broader leaves	a variety of the English elm with erect branches and broader leaves