Our Lady's bedstraw vs yellow bedstraw

Our Lady's bedstraw and yellow bedstraw both are nouns.

Word	Noun	Adjective	Verb	Adverb
Our Lady's bedstraw	Yes	No	No	No
yellow bedstraw	Yes	No	No	No

As nouns, Our Lady's bedstraw and yellow bedstraw are synonyms defined as:

Our Lady's bedstraw and yellow bedstraw: common yellow-flowered perennial bedstraw; North America and Europe and Asia

Other synonyms of Our Lady's bedstraw include Galium verum, yellow cleavers.

Our Lady's bedstraw (noun)	yellow bedstraw (noun)
common yellow-flowered perennial bedstraw; North America and Europe and Asia	common yellow-flowered perennial bedstraw; North America and Europe and Asia