Spirodela oligorrhiza
Spirodela oligorrhiza (Kurz) Hegelm.

Spirodela oligorrhiza is a species in the Araceae family, first described in 1868 by Hegelm. with the original authorship attributed to Kurz. It is widely distributed across multiple regions including Australasian, Italy, the southeastern United States, parts of South America, the Caribbean, and various locations in Asia and Africa.
Description
Spirodela oligorrhiza is a member of the Araceae family and is known for its broad geographic distribution. It is found in regions such as Australasian, Italy, the southeastern United States, including Alabama, Arkansas, and Delaware, as well as in parts of South America like Brazil Southeast and Colombia. The species is also present in the Caribbean, including Costa Rica, and in various Asian and African locations such as China South-Central, China Southeast, Bangladesh, and Egypt. Its range extends to the Canary Islands, Cape Provinces, Chatham Islands, and Fiji. First published in 1868, this species has been recognized for its presence in diverse aquatic habitats across multiple continents.
Distribution
Australasian · Italy · SE · Alabama · Arizona · Arkansas · Bangladesh · Brazil Southeast · California · Canary Is. · Cape Provinces · Chatham Is. · China South-Central · China Southeast · Colombia · Costa Rica · Delaware · District of Columbia · Egypt · Fiji · Florida · Free State · Georgia · Guyana · Illinois · India · Japan · Jawa · Kentucky · KwaZulu-Natal
Synonyms
Lemna javanicaLemna melanorrhizaLemna oligorrhizaLemna pleiorrhizaLemna pusillaSpirodela oligorrhiza var. melanorrhizaSpirodela oligorrhiza var. pusillaSpirodela oligorrhiza var. javanicaSpirodela oligorrhiza var. pleiorrhizaSpirodela pusillaSpirodela melanorrhizaSpirodela pleiorrhizaSpirodela javanica

