water hyacinth vs Eichhornia spesiosa

water hyacinth and Eichhornia spesiosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
water hyacinth	Yes	No	No	No
Eichhornia spesiosa	Yes	No	No	No

As nouns, water hyacinth and Eichhornia spesiosa are synonyms defined as:

water hyacinth and Eichhornia spesiosa: a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States

Other synonyms of water hyacinth include Eichhornia crassipes, water orchid.

water hyacinth (noun)	Eichhornia spesiosa (noun)
a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States	a tropical floating aquatic plant having spikes of large blue flowers; troublesome in clogging waterways especially in southern United States