Helanthium tenellum

Helanthium tenellum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Alismatales
Family:	Alismataceae
Genus:	Helanthium
Species:	H. tenellum
Binomial name
Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm.
Synonyms[1]
Alisma tenellum Mart. ex Schult.f. in J.J.Roemer & J.A.Schultes Echinodorus tenellus (Mart. ex Schult.f.) Buchenau Sagittaria tenella (Mart. ex Schult.f.) Kuntze Alisma ranunculoides var. brasiliense A.St.-Hil. Echinodorus parvulus Engelm. in A.Gray Echinodorus subulatus Engelm. in A.Gray Helanthium parvulum (Engelm.) Small in N.L.Britton & al. Echinodorus tenellus var. ecostatus Fassett Echinodorus tenellus var. parvulus (Engelm.) Fassett Echinodorus tenellus f. randii Fassett

Helanthium tenellum, the pygmy chain sword, is a species of plants in the Alismataceae. It is native to the eastern United States (from Texas to Florida, north to Michigan and Massachusetts), southern Mexico (Chiapas, Veracruz), West Indies (Cuba, Jamaica, Hispaniola), Central America, South America (from Guyana to Argentina)^[1][2]