family Compositae vs genus Haastia

family Compositae and genus Haastia both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Compositae	Yes	No	No	No
genus Haastia	Yes	No	No	No

family Compositae (noun)	genus Haastia (noun)
plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia	genus of New Zealand mat-forming herbs or subshrubs: vegetable sheep