Pistia stratiotes vs pistia

Pistia stratiotes and pistia both are nouns.

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

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

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

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

Pistia stratiotes (noun)	pistia (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