Populus heterophylla vs downy poplar

Populus heterophylla and downy poplar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Populus heterophylla	Yes	No	No	No
downy poplar	Yes	No	No	No

As nouns, Populus heterophylla and downy poplar are synonyms defined as:

Populus heterophylla and downy poplar: North American poplar with large rounded scalloped leaves and brownish bark and wood

Other synonyms of Populus heterophylla include black cottonwood, swamp cottonwood, swamp poplar.

Populus heterophylla (noun)	downy poplar (noun)
North American poplar with large rounded scalloped leaves and brownish bark and wood	North American poplar with large rounded scalloped leaves and brownish bark and wood