Ulmus crassifolia vs cedar elm

Ulmus crassifolia and cedar elm both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ulmus crassifolia	Yes	No	No	No
cedar elm	Yes	No	No	No

As nouns, Ulmus crassifolia and cedar elm are synonyms defined as:

Ulmus crassifolia and cedar elm: elm of southern United States and Mexico having spreading pendulous corky branches

Ulmus crassifolia (noun)	cedar elm (noun)
elm of southern United States and Mexico having spreading pendulous corky branches	elm of southern United States and Mexico having spreading pendulous corky branches