Leucanthemum vs family Compositae

Leucanthemum and family Compositae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leucanthemum	Yes	No	No	No
family Compositae	Yes	No	No	No

Leucanthemum (noun)	family Compositae (noun)
comprises plants often included in the genus Chrysanthemum, mainly distributed in southern and central Europe (Leucanthemum)	plants with heads composed of many florets: aster, daisy, dandelion, goldenrod, marigold, lettuces, ragweed, sunflower, thistle, zinnia