swampy beggar-ticks vs Bidens connata

swampy beggar-ticks and Bidens connata both are nouns.

Word	Noun	Adjective	Verb	Adverb
swampy beggar-ticks	Yes	No	No	No
Bidens connata	Yes	No	No	No

As nouns, swampy beggar-ticks and Bidens connata are synonyms defined as:

swampy beggar-ticks and Bidens connata: bur marigold of eastern and northern United States and Canada common in wet pastures and meadows

swampy beggar-ticks (noun)	Bidens connata (noun)
bur marigold of eastern and northern United States and Canada common in wet pastures and meadows	bur marigold of eastern and northern United States and Canada common in wet pastures and meadows