soft flag vs Typha angustifolia

soft flag and Typha angustifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
soft flag	Yes	No	No	No
Typha angustifolia	Yes	No	No	No

As nouns, soft flag and Typha angustifolia are synonyms defined as:

soft flag and Typha angustifolia: reed maces of America, Europe, North Africa, Asia

Other synonyms of soft flag include lesser bullrush, narrow-leaf cattail, narrow-leaved reedmace.

soft flag (noun)	Typha angustifolia (noun)
reed maces of America, Europe, North Africa, Asia	reed maces of America, Europe, North Africa, Asia