Lemna minor vs lesser duckweed

Lemna minor and lesser duckweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lemna minor	Yes	No	No	No
lesser duckweed	Yes	No	No	No

As nouns, Lemna minor and lesser duckweed are synonyms defined as:

Lemna minor and lesser duckweed: of temperate regions except eastern Asia and Australia

Other synonyms of Lemna minor include common duckweed.

Lemna minor (noun)	lesser duckweed (noun)
of temperate regions except eastern Asia and Australia	of temperate regions except eastern Asia and Australia