Ribes grossularia vs shrub

Ribes grossularia and shrub both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ribes grossularia	Yes	No	No	No
shrub	Yes	No	No	No

As nouns, shrub is a hypernym of Ribes grossularia; that is, shrub is a word with a broader meaning than Ribes grossularia:

Ribes grossularia: spiny Eurasian shrub having greenish purple-tinged flowers and ovoid yellow-green or red-purple berries
shrub: a low woody perennial plant usually having several major stems

Other hypernyms of Ribes grossularia include bush.

Ribes grossularia (noun)	shrub (noun)
spiny Eurasian shrub having greenish purple-tinged flowers and ovoid yellow-green or red-purple berries	a low woody perennial plant usually having several major stems