guernsey elm vs Ulmus campestris sarniensis

guernsey elm and Ulmus campestris sarniensis both are nouns.

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

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

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

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

guernsey elm (noun)	Ulmus campestris sarniensis (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