Typha angustifolia vs cattail

Typha angustifolia and cattail both are nouns.

Word	Noun	Adjective	Verb	Adverb
Typha angustifolia	Yes	No	No	No
cattail	Yes	No	No	No

As nouns, cattail is a hypernym of Typha angustifolia; that is, cattail is a word with a broader meaning than Typha angustifolia:

Typha angustifolia: reed maces of America, Europe, North Africa, Asia
cattail: tall erect herbs with sword-shaped leaves; cosmopolitan in fresh and salt marshes

Typha angustifolia (noun)	cattail (noun)
reed maces of America, Europe, North Africa, Asia	tall erect herbs with sword-shaped leaves; cosmopolitan in fresh and salt marshes