Hypochaeris radicata vs capeweed

Hypochaeris radicata and capeweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hypochaeris radicata	Yes	No	No	No
capeweed	Yes	No	No	No

As nouns, Hypochaeris radicata and capeweed are synonyms defined as:

Hypochaeris radicata and capeweed: European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears

Other synonyms of Hypochaeris radicata include California dandelion, cat's-ear, gosmore.

Hypochaeris radicata (noun)	capeweed (noun)
European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears	European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears