Ulmus campestris sarniensis vs Ulmus campestris wheatleyi

Ulmus campestris sarniensis and Ulmus campestris wheatleyi both are nouns.

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

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

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

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

Ulmus campestris 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