bladder fucus vs bladderwrack

bladder fucus and bladderwrack both are nouns.

Word	Noun	Adjective	Verb	Adverb
bladder fucus	Yes	No	No	No
bladderwrack	Yes	No	No	No

As nouns, bladder fucus and bladderwrack are synonyms defined as:

bladder fucus and bladderwrack: a common rockweed used in preparing kelp and as manure

Other synonyms of bladder fucus include black rockweed, Fucus vesiculosus, tang.

bladder fucus (noun)	bladderwrack (noun)
a common rockweed used in preparing kelp and as manure	a common rockweed used in preparing kelp and as manure
	similar to and found with black rockweed