genus Tillandsia vs Spanish moss

genus Tillandsia and Spanish moss both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Tillandsia	Yes	No	No	No
Spanish moss	Yes	No	No	No

genus Tillandsia (noun)	Spanish moss (noun)
large genus of epiphytic or terrestrial sparse-rooting tropical plants usually forming dense clumps or pendant masses	dense festoons of greenish-grey hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots; southeastern United States and West Indies to South America