Ecological Risk Screening Summary - Vallisneria rubra (a plant, no common name) - Uncertain Risk

Species that are considered uncertain risk need a more in-depth assessment beyond the Risk Summary to better define the species’ risk to U.S. environments.

Vallisneria rubra is a freshwater plant native to Australia. It is present in trade for aquariums, but the name is also used in trade for another closely related species. One record of introduction was found but there was no supporting information. The history of invasiveness is classified as No Known Nonnative Population. Overall climate match with the contiguous United States is Low. Medium match can be found in areas of Florida and along the Mexican border. There are no areas of high match. The certainty of this assessment is Low due to a general lack of information. The overall risk assessment category for Vallisneria rubra is Uncertain.