Ulmus sarniensis vs guernsey elm

Ulmus sarniensis and guernsey elm both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ulmus sarniensis	Yes	No	No	No
guernsey elm	Yes	No	No	No

As nouns, Ulmus sarniensis and guernsey elm are synonyms defined as:

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

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

Ulmus sarniensis (noun)	guernsey elm (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