red goosefoot vs Chenopodium rubrum

red goosefoot and Chenopodium rubrum both are nouns.

Word	Noun	Adjective	Verb	Adverb
red goosefoot	Yes	No	No	No
Chenopodium rubrum	Yes	No	No	No

As nouns, red goosefoot and Chenopodium rubrum are synonyms defined as:

red goosefoot and Chenopodium rubrum: common Eurasian weed; naturalized in United States

Other synonyms of red goosefoot include French spinach.

red goosefoot (noun)	Chenopodium rubrum (noun)
common Eurasian weed; naturalized in United States	common Eurasian weed; naturalized in United States
herb considered fatal to swine