weeping spruce vs Brewer's spruce

weeping spruce and Brewer's spruce both are nouns.

Word	Noun	Adjective	Verb	Adverb
weeping spruce	Yes	No	No	No
Brewer's spruce	Yes	No	No	No

As nouns, weeping spruce and Brewer's spruce are synonyms defined as:

weeping spruce and Brewer's spruce: medium-sized spruce of California and Oregon having pendulous branches

Other synonyms of weeping spruce include Picea breweriana.

weeping spruce (noun)	Brewer's spruce (noun)
medium-sized spruce of California and Oregon having pendulous branches	medium-sized spruce of California and Oregon having pendulous branches