common madia vs common tarweed

common madia and common tarweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
common madia	Yes	No	No	No
common tarweed	Yes	No	No	No

As nouns, common madia and common tarweed are synonyms defined as:

common madia and common tarweed: California annual having red-brown spots near the base of its yellow flower rays

Other synonyms of common madia include Madia elegans.

common madia (noun)	common tarweed (noun)
California annual having red-brown spots near the base of its yellow flower rays	California annual having red-brown spots near the base of its yellow flower rays