bog plant vs marsh plant

bog plant and marsh plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
bog plant	Yes	No	No	No
marsh plant	Yes	No	No	No

As nouns, bog plant and marsh plant are synonyms defined as:

bog plant and marsh plant: a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath

Other synonyms of bog plant include swamp plant.

bog plant (noun)	marsh plant (noun)
a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath	a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath