Populus balsamifera vs hackmatack

Populus balsamifera and hackmatack both are nouns.

Word	Noun	Adjective	Verb	Adverb
Populus balsamifera	Yes	No	No	No
hackmatack	Yes	No	No	No

As nouns, Populus balsamifera and hackmatack are synonyms defined as:

Populus balsamifera and hackmatack: poplar of northeastern North America with broad heart-shaped leaves

Other synonyms of Populus balsamifera include balsam poplar, tacamahac.

Populus balsamifera (noun)	hackmatack (noun)
poplar of northeastern North America with broad heart-shaped leaves	poplar of northeastern North America with broad heart-shaped leaves