Aquarius palifolius
Aquarius palifolius (Nees & Mart.) Christenh. & Byng

Aquarius palifolius (Nees & Mart.) Christenh. & Byng is an emergent aquatic plant in the family Alismataceae. It is native to Brazil (Northeast and Southeast), Mexico (Southwest), and has also been reported in Peru and Uruguay. The species was formally published in 2018.
Description
Commonly known as the Mexican sword plant, Aquarius palifolius is an aquatic species with a native range that includes Brazil's Northeast and Southeast regions, as well as the Southwest of Mexico. It has also been recorded in Peru and Uruguay. The plant has been introduced to other regions, including Bangladesh and India. It belongs to the genus Aquarius and is part of the Alismataceae family.
Distribution
Brazil Northeast · Brazil Southeast · Mexico Southwest
Synonyms
Sagittaria palifoliaSagittaria palaefolia var. undulataSagittaria palaefolia var. heterophyllaSagittaria palaefolia var. ellipticaSagittaria palaefolia f. folioso-bracteataAlisma ellipticumAlisma ellipticum var. minusAlisma nathpurenseAlisma paleaefoliumAlisma virgataEchinodorus ellipticusEchinodorus ellipticus var. latifoliusEchinodorus ellipticus var. minusEchinodorus glandulosusEchinodorus palifoliusEchinodorus palifolius var. latifoliusEchinodorus palifolius var. minusEchinodorus virgatusEchinodorus piauhyensisAlisma virgatum