pistia vs Pistia stratiotes

pistia and Pistia stratiotes both are nouns.

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

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

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

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

pistia (noun)	Pistia stratiotes (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