pistia vs Pistia stratoites

pistia and Pistia stratoites both are nouns.

Word	Noun	Adjective	Verb	Adverb
pistia	Yes	No	No	No
Pistia stratoites	Yes	No	No	No

As nouns, pistia and Pistia stratoites are synonyms defined as:

pistia and Pistia stratoites: pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes

Other synonyms of pistia include Pistia stratiotes, water cabbage, water lettuce.

pistia (noun)	Pistia stratoites (noun)
pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes	pantropical floating plant forming a rosette of wedge-shaped leaves; a widespread weed in rivers and lakes