dusty miller vs Senecio

dusty miller and Senecio both are nouns.

Word	Noun	Adjective	Verb	Adverb
dusty miller	Yes	No	No	No
Senecio	Yes	No	No	No

dusty miller (noun)	Senecio (noun)
herb with greyish leaves found along the east coast of North America; used as an ornamental plant	enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
shrubby perennial of the Canary Islands having white flowers and leaves and hairy stems covered with dustlike down; sometimes placed in genus Chrysanthemum
stiff much-branched perennial of the Mediterranean region having very white woolly stems and leaves
a plant having leaves and stems covered with down that resembles dust
an old cottage garden plant of southeastern Europe widely cultivated for its attractive white woolly foliage and showy crimson flowers