Viburnum opulus vs guelder rose

Viburnum opulus and guelder rose both are nouns.

Word	Noun	Adjective	Verb	Adverb
Viburnum opulus	Yes	No	No	No
guelder rose	Yes	No	No	No

As nouns, Viburnum opulus and guelder rose are synonyms defined as:

Viburnum opulus and guelder rose: deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries

Other synonyms of Viburnum opulus include crampbark, cranberry tree, European cranberry bush, European cranberrybush.

Viburnum opulus (noun)	guelder rose (noun)
deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries	deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries