stone cress vs herbaceous plant

stone cress and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
stone cress	Yes	No	No	No
herbaceous plant	Yes	No	No	No

As nouns, herbaceous plant is a hypernym of stone cress; that is, herbaceous plant is a word with a broader meaning than stone cress:

stone cress: any Old World herb of the genus Aethionema; native of sunny limestone habitats
herbaceous plant: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of stone cress include herb.

stone cress (noun)	herbaceous plant (noun)
any Old World herb of the genus Aethionema; native of sunny limestone habitats	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests