Hieracium praealtum vs yellow hawkweed

Hieracium praealtum and yellow hawkweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hieracium praealtum	Yes	No	No	No
yellow hawkweed	Yes	No	No	No

As nouns, Hieracium praealtum and yellow hawkweed are synonyms defined as:

Hieracium praealtum and yellow hawkweed: European hawkweed introduced into northeastern United States; locally troublesome weeds

Other synonyms of Hieracium praealtum include king devil.

Hieracium praealtum (noun)	yellow hawkweed (noun)
European hawkweed introduced into northeastern United States; locally troublesome weeds	European hawkweed introduced into northeastern United States; locally troublesome weeds