Liliaceae vs genus Xerophyllum

Liliaceae and genus Xerophyllum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Liliaceae	Yes	No	No	No
genus Xerophyllum	Yes	No	No	No

Liliaceae (noun)	genus Xerophyllum (noun)
includes species sometimes divided among the following families: Alliaceae, Aloeaceae, Alstroemeriaceae, Aphyllanthaceae, Asparagaceae, Asphodelaceae, Colchicaceae, Convallariaceae, Hemerocallidaceae, Hostaceae, Hyacinthaceae, Melanthiaceae, Ruscaceae, Smilacaceae, Tecophilaeacea, Xanthorrhoeaceae	small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae