common madia vs Madia elegans

common madia and Madia elegans both are nouns.

Word	Noun	Adjective	Verb	Adverb
common madia	Yes	No	No	No
Madia elegans	Yes	No	No	No

As nouns, common madia and Madia elegans are synonyms defined as:

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

Other synonyms of common madia include common tarweed.

common madia (noun)	Madia elegans (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